638940960

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{7043}}^1$

素因数の和:7077

約数の個数: 240

約数和(自身を含む): 2577427776

約数和(自身を除く): 1938486816

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 6048, 6480, 7043, 7560, 9072, 10080, 11340, 12960, 14086, 15120, 18144, 21129, 22680, 28172, 30240, 35215, 42258, 45360, 49301, 56344, 63387, 70430, 84516, 90720, 98602, 105645, 112688, 126774, 140860, 147903, 169032, 190161, 197204, 211290, 225376, 246505, 253548, 281720, 295806, 316935, 338064, 380322, 394408, 422580, 443709, 493010, 507096, 563440, 570483, 591612, 633870, 676128, 739515, 760644, 788816, 845160, 887418, 950805, 986020, 1014192, 1126880, 1140966, 1183224, 1267740, 1331127, 1479030, 1521288, 1577632, 1690320, 1774836, 1901610, 1972040, 2028384, 2218545, 2281932, 2366448, 2535480, 2662254, 2852415, 2958060, 3042576, 3380640, 3549672, 3803220, 3944080, 3993381, 4437090, 4563864, 4732896, 5070960, 5324508, 5704830, 5916120, 6085152, 6655635, 7099344, 7606440, 7888160, 7986762, 8874180, 9127728, 10141920, 10649016, 11409660, 11832240, 13311270, 14198688, 15212880, 15973524, 17748360, 18255456, 19966905, 21298032, 22819320, 23664480, 26622540, 30425760, 31947048, 35496720, 39933810, 42596064, 45638640, 53245080, 63894096, 70993440, 79867620, 91277280, 106490160, 127788192, 159735240, 212980320, 319470480, 638940960]

約数ペア:

[(1, 638940960), (2, 319470480), (3, 212980320), (4, 159735240), (5, 127788192), (6, 106490160), (7, 91277280), (8, 79867620), (9, 70993440), (10, 63894096), (12, 53245080), (14, 45638640), (15, 42596064), (16, 39933810), (18, 35496720), (20, 31947048), (21, 30425760), (24, 26622540), (27, 23664480), (28, 22819320), (30, 21298032), (32, 19966905), (35, 18255456), (36, 17748360), (40, 15973524), (42, 15212880), (45, 14198688), (48, 13311270), (54, 11832240), (56, 11409660), (60, 10649016), (63, 10141920), (70, 9127728), (72, 8874180), (80, 7986762), (81, 7888160), (84, 7606440), (90, 7099344), (96, 6655635), (105, 6085152), (108, 5916120), (112, 5704830), (120, 5324508), (126, 5070960), (135, 4732896), (140, 4563864), (144, 4437090), (160, 3993381), (162, 3944080), (168, 3803220), (180, 3549672), (189, 3380640), (210, 3042576), (216, 2958060), (224, 2852415), (240, 2662254), (252, 2535480), (270, 2366448), (280, 2281932), (288, 2218545), (315, 2028384), (324, 1972040), (336, 1901610), (360, 1774836), (378, 1690320), (405, 1577632), (420, 1521288), (432, 1479030), (480, 1331127), (504, 1267740), (540, 1183224), (560, 1140966), (567, 1126880), (630, 1014192), (648, 986020), (672, 950805), (720, 887418), (756, 845160), (810, 788816), (840, 760644), (864, 739515), (945, 676128), (1008, 633870), (1080, 591612), (1120, 570483), (1134, 563440), (1260, 507096), (1296, 493010), (1440, 443709), (1512, 422580), (1620, 394408), (1680, 380322), (1890, 338064), (2016, 316935), (2160, 295806), (2268, 281720), (2520, 253548), (2592, 246505), (2835, 225376), (3024, 211290), (3240, 197204), (3360, 190161), (3780, 169032), (4320, 147903), (4536, 140860), (5040, 126774), (5670, 112688), (6048, 105645), (6480, 98602), (7043, 90720), (7560, 84516), (9072, 70430), (10080, 63387), (11340, 56344), (12960, 49301), (14086, 45360), (15120, 42258), (18144, 35215), (21129, 30240), (22680, 28172)]