20991058560

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{83}}^2$

素因数の和:237

約数の個数: 432

約数和(自身を含む): 76697212410

約数和(自身を除く): 55706153850

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 83, 90, 92, 96, 115, 120, 128, 138, 144, 160, 166, 180, 184, 192, 207, 230, 240, 249, 276, 288, 320, 332, 345, 360, 368, 384, 414, 415, 460, 480, 498, 529, 552, 576, 640, 664, 690, 720, 736, 747, 828, 830, 920, 960, 996, 1035, 1058, 1104, 1152, 1245, 1328, 1380, 1440, 1472, 1494, 1587, 1656, 1660, 1840, 1909, 1920, 1992, 2070, 2116, 2208, 2490, 2645, 2656, 2760, 2880, 2944, 2988, 3174, 3312, 3320, 3680, 3735, 3818, 3984, 4140, 4232, 4416, 4761, 4980, 5290, 5312, 5520, 5727, 5760, 5976, 6348, 6624, 6640, 6889, 7360, 7470, 7636, 7935, 7968, 8280, 8464, 8832, 9522, 9545, 9960, 10580, 10624, 11040, 11454, 11952, 12696, 13248, 13280, 13778, 14720, 14940, 15272, 15870, 15936, 16560, 16928, 17181, 19044, 19090, 19920, 20667, 21160, 22080, 22908, 23805, 23904, 25392, 26496, 26560, 27556, 28635, 29880, 30544, 31740, 31872, 33120, 33856, 34362, 34445, 38088, 38180, 39840, 41334, 42320, 43907, 44160, 45816, 47610, 47808, 50784, 53120, 55112, 57270, 59760, 61088, 62001, 63480, 66240, 67712, 68724, 68890, 76176, 76360, 79680, 82668, 84640, 85905, 87814, 91632, 95220, 95616, 101568, 103335, 110224, 114540, 119520, 122176, 124002, 126960, 131721, 132480, 137448, 137780, 152352, 152720, 158447, 159360, 165336, 169280, 171810, 175628, 183264, 190440, 203136, 206670, 219535, 220448, 229080, 239040, 244352, 248004, 253920, 263442, 274896, 275560, 304704, 305440, 310005, 316894, 330672, 338560, 343620, 351256, 366528, 380880, 395163, 413340, 439070, 440896, 458160, 475341, 478080, 496008, 507840, 526884, 549792, 551120, 609408, 610880, 620010, 633788, 658605, 661344, 687240, 702512, 733056, 761760, 790326, 792235, 826680, 878140, 881792, 916320, 950682, 992016, 1015680, 1053768, 1099584, 1102240, 1221760, 1240020, 1267576, 1317210, 1322688, 1374480, 1405024, 1426023, 1523520, 1580652, 1584470, 1653360, 1756280, 1832640, 1901364, 1975815, 1984032, 2107536, 2199168, 2204480, 2376705, 2480040, 2535152, 2634420, 2645376, 2748960, 2810048, 2852046, 3047040, 3161304, 3168940, 3306720, 3512560, 3644281, 3665280, 3802728, 3951630, 3968064, 4215072, 4408960, 4753410, 4960080, 5070304, 5268840, 5497920, 5620096, 5704092, 6322608, 6337880, 6613440, 7025120, 7130115, 7288562, 7605456, 7903260, 7936128, 8430144, 9506820, 9920160, 10140608, 10537680, 10932843, 10995840, 11408184, 12645216, 12675760, 13226880, 14050240, 14260230, 14577124, 15210912, 15806520, 16860288, 18221405, 19013640, 19840320, 20281216, 21075360, 21865686, 22816368, 25290432, 25351520, 28100480, 28520460, 29154248, 30421824, 31613040, 32798529, 36442810, 38027280, 39680640, 42150720, 43731372, 45632736, 50580864, 50703040, 54664215, 57040920, 58308496, 60843648, 63226080, 65597058, 72885620, 76054560, 84301440, 87462744, 91265472, 101406080, 109328430, 114081840, 116616992, 126452160, 131194116, 145771240, 152109120, 163992645, 174925488, 182530944, 218656860, 228163680, 233233984, 252904320, 262388232, 291542480, 304218240, 327985290, 349850976, 437313720, 456327360, 466467968, 524776464, 583084960, 655970580, 699701952, 874627440, 912654720, 1049552928, 1166169920, 1311941160, 1399403904, 1749254880, 2099105856, 2332339840, 2623882320, 3498509760, 4198211712, 5247764640, 6997019520, 10495529280, 20991058560]

約数ペア:

[(1, 20991058560), (2, 10495529280), (3, 6997019520), (4, 5247764640), (5, 4198211712), (6, 3498509760), (8, 2623882320), (9, 2332339840), (10, 2099105856), (12, 1749254880), (15, 1399403904), (16, 1311941160), (18, 1166169920), (20, 1049552928), (23, 912654720), (24, 874627440), (30, 699701952), (32, 655970580), (36, 583084960), (40, 524776464), (45, 466467968), (46, 456327360), (48, 437313720), (60, 349850976), (64, 327985290), (69, 304218240), (72, 291542480), (80, 262388232), (83, 252904320), (90, 233233984), (92, 228163680), (96, 218656860), (115, 182530944), (120, 174925488), (128, 163992645), (138, 152109120), (144, 145771240), (160, 131194116), (166, 126452160), (180, 116616992), (184, 114081840), (192, 109328430), (207, 101406080), (230, 91265472), (240, 87462744), (249, 84301440), (276, 76054560), (288, 72885620), (320, 65597058), (332, 63226080), (345, 60843648), (360, 58308496), (368, 57040920), (384, 54664215), (414, 50703040), (415, 50580864), (460, 45632736), (480, 43731372), (498, 42150720), (529, 39680640), (552, 38027280), (576, 36442810), (640, 32798529), (664, 31613040), (690, 30421824), (720, 29154248), (736, 28520460), (747, 28100480), (828, 25351520), (830, 25290432), (920, 22816368), (960, 21865686), (996, 21075360), (1035, 20281216), (1058, 19840320), (1104, 19013640), (1152, 18221405), (1245, 16860288), (1328, 15806520), (1380, 15210912), (1440, 14577124), (1472, 14260230), (1494, 14050240), (1587, 13226880), (1656, 12675760), (1660, 12645216), (1840, 11408184), (1909, 10995840), (1920, 10932843), (1992, 10537680), (2070, 10140608), (2116, 9920160), (2208, 9506820), (2490, 8430144), (2645, 7936128), (2656, 7903260), (2760, 7605456), (2880, 7288562), (2944, 7130115), (2988, 7025120), (3174, 6613440), (3312, 6337880), (3320, 6322608), (3680, 5704092), (3735, 5620096), (3818, 5497920), (3984, 5268840), (4140, 5070304), (4232, 4960080), (4416, 4753410), (4761, 4408960), (4980, 4215072), (5290, 3968064), (5312, 3951630), (5520, 3802728), (5727, 3665280), (5760, 3644281), (5976, 3512560), (6348, 3306720), (6624, 3168940), (6640, 3161304), (6889, 3047040), (7360, 2852046), (7470, 2810048), (7636, 2748960), (7935, 2645376), (7968, 2634420), (8280, 2535152), (8464, 2480040), (8832, 2376705), (9522, 2204480), (9545, 2199168), (9960, 2107536), (10580, 1984032), (10624, 1975815), (11040, 1901364), (11454, 1832640), (11952, 1756280), (12696, 1653360), (13248, 1584470), (13280, 1580652), (13778, 1523520), (14720, 1426023), (14940, 1405024), (15272, 1374480), (15870, 1322688), (15936, 1317210), (16560, 1267576), (16928, 1240020), (17181, 1221760), (19044, 1102240), (19090, 1099584), (19920, 1053768), (20667, 1015680), (21160, 992016), (22080, 950682), (22908, 916320), (23805, 881792), (23904, 878140), (25392, 826680), (26496, 792235), (26560, 790326), (27556, 761760), (28635, 733056), (29880, 702512), (30544, 687240), (31740, 661344), (31872, 658605), (33120, 633788), (33856, 620010), (34362, 610880), (34445, 609408), (38088, 551120), (38180, 549792), (39840, 526884), (41334, 507840), (42320, 496008), (43907, 478080), (44160, 475341), (45816, 458160), (47610, 440896), (47808, 439070), (50784, 413340), (53120, 395163), (55112, 380880), (57270, 366528), (59760, 351256), (61088, 343620), (62001, 338560), (63480, 330672), (66240, 316894), (67712, 310005), (68724, 305440), (68890, 304704), (76176, 275560), (76360, 274896), (79680, 263442), (82668, 253920), (84640, 248004), (85905, 244352), (87814, 239040), (91632, 229080), (95220, 220448), (95616, 219535), (101568, 206670), (103335, 203136), (110224, 190440), (114540, 183264), (119520, 175628), (122176, 171810), (124002, 169280), (126960, 165336), (131721, 159360), (132480, 158447), (137448, 152720), (137780, 152352)]