261325680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:292

約数の個数: 320

約数和(自身を含む): 1028505600

約数和(自身を除く): 767179920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 79, 80, 84, 88, 105, 110, 112, 120, 132, 140, 154, 158, 165, 168, 176, 179, 210, 220, 231, 237, 240, 264, 280, 308, 316, 330, 336, 358, 385, 395, 420, 440, 462, 474, 528, 537, 553, 560, 616, 632, 660, 716, 770, 790, 840, 869, 880, 895, 924, 948, 1074, 1106, 1155, 1185, 1232, 1253, 1264, 1320, 1432, 1540, 1580, 1659, 1680, 1738, 1790, 1848, 1896, 1969, 2148, 2212, 2310, 2370, 2506, 2607, 2640, 2685, 2765, 2864, 3080, 3160, 3318, 3476, 3580, 3696, 3759, 3792, 3938, 4296, 4345, 4424, 4620, 4740, 5012, 5214, 5370, 5530, 5907, 6083, 6160, 6265, 6320, 6636, 6952, 7160, 7518, 7876, 8295, 8592, 8690, 8848, 9240, 9480, 9845, 10024, 10428, 10740, 11060, 11814, 12166, 12530, 13035, 13272, 13783, 13904, 14141, 14320, 15036, 15752, 16590, 17380, 18249, 18480, 18795, 18960, 19690, 20048, 20856, 21480, 22120, 23628, 24332, 25060, 26070, 26544, 27566, 28282, 29535, 30072, 30415, 31504, 33180, 34760, 36498, 37590, 39380, 41349, 41712, 42423, 42960, 44240, 47256, 48664, 50120, 52140, 55132, 56564, 59070, 60144, 60830, 66360, 68915, 69520, 70705, 72996, 75180, 78760, 82698, 84846, 91245, 94512, 97328, 98987, 100240, 104280, 110264, 113128, 118140, 121660, 132720, 137830, 141410, 145992, 150360, 155551, 157520, 165396, 169692, 182490, 197974, 206745, 208560, 212115, 220528, 226256, 236280, 243320, 275660, 282820, 291984, 296961, 300720, 311102, 330792, 339384, 364980, 395948, 413490, 424230, 466653, 472560, 486640, 494935, 551320, 565640, 593922, 622204, 661584, 678768, 729960, 777755, 791896, 826980, 848460, 933306, 989870, 1088857, 1102640, 1131280, 1187844, 1244408, 1459920, 1484805, 1555510, 1583792, 1653960, 1696920, 1866612, 1979740, 2177714, 2333265, 2375688, 2488816, 2969610, 3111020, 3266571, 3307920, 3393840, 3733224, 3959480, 4355428, 4666530, 4751376, 5444285, 5939220, 6222040, 6533142, 7466448, 7918960, 8710856, 9333060, 10888570, 11878440, 12444080, 13066284, 16332855, 17421712, 18666120, 21777140, 23756880, 26132568, 32665710, 37332240, 43554280, 52265136, 65331420, 87108560, 130662840, 261325680]

約数ペア:

[(1, 261325680), (2, 130662840), (3, 87108560), (4, 65331420), (5, 52265136), (6, 43554280), (7, 37332240), (8, 32665710), (10, 26132568), (11, 23756880), (12, 21777140), (14, 18666120), (15, 17421712), (16, 16332855), (20, 13066284), (21, 12444080), (22, 11878440), (24, 10888570), (28, 9333060), (30, 8710856), (33, 7918960), (35, 7466448), (40, 6533142), (42, 6222040), (44, 5939220), (48, 5444285), (55, 4751376), (56, 4666530), (60, 4355428), (66, 3959480), (70, 3733224), (77, 3393840), (79, 3307920), (80, 3266571), (84, 3111020), (88, 2969610), (105, 2488816), (110, 2375688), (112, 2333265), (120, 2177714), (132, 1979740), (140, 1866612), (154, 1696920), (158, 1653960), (165, 1583792), (168, 1555510), (176, 1484805), (179, 1459920), (210, 1244408), (220, 1187844), (231, 1131280), (237, 1102640), (240, 1088857), (264, 989870), (280, 933306), (308, 848460), (316, 826980), (330, 791896), (336, 777755), (358, 729960), (385, 678768), (395, 661584), (420, 622204), (440, 593922), (462, 565640), (474, 551320), (528, 494935), (537, 486640), (553, 472560), (560, 466653), (616, 424230), (632, 413490), (660, 395948), (716, 364980), (770, 339384), (790, 330792), (840, 311102), (869, 300720), (880, 296961), (895, 291984), (924, 282820), (948, 275660), (1074, 243320), (1106, 236280), (1155, 226256), (1185, 220528), (1232, 212115), (1253, 208560), (1264, 206745), (1320, 197974), (1432, 182490), (1540, 169692), (1580, 165396), (1659, 157520), (1680, 155551), (1738, 150360), (1790, 145992), (1848, 141410), (1896, 137830), (1969, 132720), (2148, 121660), (2212, 118140), (2310, 113128), (2370, 110264), (2506, 104280), (2607, 100240), (2640, 98987), (2685, 97328), (2765, 94512), (2864, 91245), (3080, 84846), (3160, 82698), (3318, 78760), (3476, 75180), (3580, 72996), (3696, 70705), (3759, 69520), (3792, 68915), (3938, 66360), (4296, 60830), (4345, 60144), (4424, 59070), (4620, 56564), (4740, 55132), (5012, 52140), (5214, 50120), (5370, 48664), (5530, 47256), (5907, 44240), (6083, 42960), (6160, 42423), (6265, 41712), (6320, 41349), (6636, 39380), (6952, 37590), (7160, 36498), (7518, 34760), (7876, 33180), (8295, 31504), (8592, 30415), (8690, 30072), (8848, 29535), (9240, 28282), (9480, 27566), (9845, 26544), (10024, 26070), (10428, 25060), (10740, 24332), (11060, 23628), (11814, 22120), (12166, 21480), (12530, 20856), (13035, 20048), (13272, 19690), (13783, 18960), (13904, 18795), (14141, 18480), (14320, 18249), (15036, 17380), (15752, 16590)]