20208245280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:640

約数の個数: 384

約数和(自身を含む): 69227053056

約数和(自身を除く): 49018807776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 32, 40, 46, 48, 60, 62, 69, 80, 92, 93, 96, 115, 120, 124, 137, 138, 155, 160, 184, 186, 230, 240, 248, 274, 276, 310, 345, 368, 372, 411, 431, 460, 465, 480, 496, 548, 552, 620, 685, 690, 713, 736, 744, 822, 862, 920, 930, 992, 1096, 1104, 1240, 1293, 1370, 1380, 1426, 1488, 1644, 1724, 1840, 1860, 2055, 2139, 2155, 2192, 2208, 2480, 2586, 2740, 2760, 2852, 2976, 3151, 3288, 3448, 3565, 3680, 3720, 4110, 4247, 4278, 4310, 4384, 4960, 5172, 5480, 5520, 5704, 6302, 6465, 6576, 6896, 7130, 7440, 8220, 8494, 8556, 8620, 9453, 9913, 10344, 10695, 10960, 11040, 11408, 12604, 12741, 12930, 13152, 13361, 13792, 14260, 14880, 15755, 16440, 16988, 17112, 17240, 18906, 19826, 20688, 21235, 21390, 21920, 22816, 25208, 25482, 25860, 26722, 28520, 29739, 31510, 32880, 33976, 34224, 34480, 37812, 39652, 40083, 41376, 42470, 42780, 47265, 49565, 50416, 50964, 51720, 53444, 57040, 59047, 59478, 63020, 63705, 65760, 66805, 67952, 68448, 68960, 75624, 79304, 80166, 84940, 85560, 94530, 97681, 99130, 100832, 101928, 103440, 106888, 114080, 118094, 118956, 126040, 127410, 133610, 135904, 148695, 151248, 158608, 160332, 169880, 171120, 177141, 189060, 195362, 198260, 200415, 203856, 206880, 213776, 236188, 237912, 252080, 254820, 267220, 293043, 295235, 297390, 302496, 307303, 317216, 320664, 339760, 342240, 354282, 378120, 390724, 396520, 400830, 407712, 427552, 472376, 475824, 488405, 504160, 509640, 534440, 586086, 590470, 594780, 614606, 641328, 679520, 708564, 756240, 781448, 793040, 801660, 885705, 921909, 944752, 951648, 976810, 1019280, 1068880, 1172172, 1180940, 1189560, 1229212, 1282656, 1358081, 1417128, 1465215, 1512480, 1536515, 1562896, 1586080, 1603320, 1771410, 1830457, 1843818, 1889504, 1953620, 2038560, 2137760, 2344344, 2361880, 2379120, 2458424, 2716162, 2834256, 2930430, 3073030, 3125792, 3206640, 3542820, 3660914, 3687636, 3907240, 4074243, 4609545, 4688688, 4723760, 4758240, 4916848, 5432324, 5491371, 5668512, 5860860, 6146060, 6413280, 6790405, 7085640, 7321828, 7375272, 7814480, 8148486, 9152285, 9219090, 9377376, 9447520, 9833696, 10864648, 10982742, 11721720, 12292120, 13580810, 14171280, 14643656, 14750544, 15628960, 16296972, 18304570, 18438180, 20371215, 21729296, 21965484, 23443440, 24584240, 27161620, 27456855, 28342560, 29287312, 29501088, 32593944, 36609140, 36876360, 40742430, 42100511, 43458592, 43930968, 46886880, 49168480, 54323240, 54913710, 58574624, 65187888, 73218280, 73752720, 81484860, 84201022, 87861936, 108646480, 109827420, 126301533, 130375776, 146436560, 147505440, 162969720, 168402044, 175723872, 210502555, 217292960, 219654840, 252603066, 292873120, 325939440, 336804088, 421005110, 439309680, 505206132, 631507665, 651878880, 673608176, 842010220, 878619360, 1010412264, 1263015330, 1347216352, 1684020440, 2020824528, 2526030660, 3368040880, 4041649056, 5052061320, 6736081760, 10104122640, 20208245280]

約数ペア:

[(1, 20208245280), (2, 10104122640), (3, 6736081760), (4, 5052061320), (5, 4041649056), (6, 3368040880), (8, 2526030660), (10, 2020824528), (12, 1684020440), (15, 1347216352), (16, 1263015330), (20, 1010412264), (23, 878619360), (24, 842010220), (30, 673608176), (31, 651878880), (32, 631507665), (40, 505206132), (46, 439309680), (48, 421005110), (60, 336804088), (62, 325939440), (69, 292873120), (80, 252603066), (92, 219654840), (93, 217292960), (96, 210502555), (115, 175723872), (120, 168402044), (124, 162969720), (137, 147505440), (138, 146436560), (155, 130375776), (160, 126301533), (184, 109827420), (186, 108646480), (230, 87861936), (240, 84201022), (248, 81484860), (274, 73752720), (276, 73218280), (310, 65187888), (345, 58574624), (368, 54913710), (372, 54323240), (411, 49168480), (431, 46886880), (460, 43930968), (465, 43458592), (480, 42100511), (496, 40742430), (548, 36876360), (552, 36609140), (620, 32593944), (685, 29501088), (690, 29287312), (713, 28342560), (736, 27456855), (744, 27161620), (822, 24584240), (862, 23443440), (920, 21965484), (930, 21729296), (992, 20371215), (1096, 18438180), (1104, 18304570), (1240, 16296972), (1293, 15628960), (1370, 14750544), (1380, 14643656), (1426, 14171280), (1488, 13580810), (1644, 12292120), (1724, 11721720), (1840, 10982742), (1860, 10864648), (2055, 9833696), (2139, 9447520), (2155, 9377376), (2192, 9219090), (2208, 9152285), (2480, 8148486), (2586, 7814480), (2740, 7375272), (2760, 7321828), (2852, 7085640), (2976, 6790405), (3151, 6413280), (3288, 6146060), (3448, 5860860), (3565, 5668512), (3680, 5491371), (3720, 5432324), (4110, 4916848), (4247, 4758240), (4278, 4723760), (4310, 4688688), (4384, 4609545), (4960, 4074243), (5172, 3907240), (5480, 3687636), (5520, 3660914), (5704, 3542820), (6302, 3206640), (6465, 3125792), (6576, 3073030), (6896, 2930430), (7130, 2834256), (7440, 2716162), (8220, 2458424), (8494, 2379120), (8556, 2361880), (8620, 2344344), (9453, 2137760), (9913, 2038560), (10344, 1953620), (10695, 1889504), (10960, 1843818), (11040, 1830457), (11408, 1771410), (12604, 1603320), (12741, 1586080), (12930, 1562896), (13152, 1536515), (13361, 1512480), (13792, 1465215), (14260, 1417128), (14880, 1358081), (15755, 1282656), (16440, 1229212), (16988, 1189560), (17112, 1180940), (17240, 1172172), (18906, 1068880), (19826, 1019280), (20688, 976810), (21235, 951648), (21390, 944752), (21920, 921909), (22816, 885705), (25208, 801660), (25482, 793040), (25860, 781448), (26722, 756240), (28520, 708564), (29739, 679520), (31510, 641328), (32880, 614606), (33976, 594780), (34224, 590470), (34480, 586086), (37812, 534440), (39652, 509640), (40083, 504160), (41376, 488405), (42470, 475824), (42780, 472376), (47265, 427552), (49565, 407712), (50416, 400830), (50964, 396520), (51720, 390724), (53444, 378120), (57040, 354282), (59047, 342240), (59478, 339760), (63020, 320664), (63705, 317216), (65760, 307303), (66805, 302496), (67952, 297390), (68448, 295235), (68960, 293043), (75624, 267220), (79304, 254820), (80166, 252080), (84940, 237912), (85560, 236188), (94530, 213776), (97681, 206880), (99130, 203856), (100832, 200415), (101928, 198260), (103440, 195362), (106888, 189060), (114080, 177141), (118094, 171120), (118956, 169880), (126040, 160332), (127410, 158608), (133610, 151248), (135904, 148695)]