640610784

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{593}}^1$

素因数の和:662

約数の個数: 216

約数和(自身を含む): 2070484416

約数和(自身を除く): 1429873632

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 31, 32, 33, 36, 44, 48, 62, 66, 72, 88, 93, 96, 99, 121, 124, 132, 144, 176, 186, 198, 242, 248, 264, 279, 288, 341, 352, 363, 372, 396, 484, 496, 528, 558, 593, 682, 726, 744, 792, 968, 992, 1023, 1056, 1089, 1116, 1186, 1364, 1452, 1488, 1584, 1779, 1936, 2046, 2178, 2232, 2372, 2728, 2904, 2976, 3069, 3168, 3558, 3751, 3872, 4092, 4356, 4464, 4744, 5337, 5456, 5808, 6138, 6523, 7116, 7502, 8184, 8712, 8928, 9488, 10674, 10912, 11253, 11616, 12276, 13046, 14232, 15004, 16368, 17424, 18383, 18976, 19569, 21348, 22506, 24552, 26092, 28464, 30008, 32736, 33759, 34848, 36766, 39138, 42696, 45012, 49104, 52184, 55149, 56928, 58707, 60016, 67518, 71753, 73532, 78276, 85392, 90024, 98208, 104368, 110298, 117414, 120032, 135036, 143506, 147064, 156552, 165447, 170784, 180048, 202213, 208736, 215259, 220596, 234828, 270072, 287012, 294128, 313104, 330894, 360096, 404426, 430518, 441192, 469656, 540144, 574024, 588256, 606639, 626208, 645777, 661788, 808852, 861036, 882384, 939312, 1080288, 1148048, 1213278, 1291554, 1323576, 1617704, 1722072, 1764768, 1819917, 1878624, 2224343, 2296096, 2426556, 2583108, 2647152, 3235408, 3444144, 3639834, 4448686, 4853112, 5166216, 5294304, 6470816, 6673029, 6888288, 7279668, 8897372, 9706224, 10332432, 13346058, 14559336, 17794744, 19412448, 20019087, 20664864, 26692116, 29118672, 35589488, 40038174, 53384232, 58237344, 71178976, 80076348, 106768464, 160152696, 213536928, 320305392, 640610784]

約数ペア:

[(1, 640610784), (2, 320305392), (3, 213536928), (4, 160152696), (6, 106768464), (8, 80076348), (9, 71178976), (11, 58237344), (12, 53384232), (16, 40038174), (18, 35589488), (22, 29118672), (24, 26692116), (31, 20664864), (32, 20019087), (33, 19412448), (36, 17794744), (44, 14559336), (48, 13346058), (62, 10332432), (66, 9706224), (72, 8897372), (88, 7279668), (93, 6888288), (96, 6673029), (99, 6470816), (121, 5294304), (124, 5166216), (132, 4853112), (144, 4448686), (176, 3639834), (186, 3444144), (198, 3235408), (242, 2647152), (248, 2583108), (264, 2426556), (279, 2296096), (288, 2224343), (341, 1878624), (352, 1819917), (363, 1764768), (372, 1722072), (396, 1617704), (484, 1323576), (496, 1291554), (528, 1213278), (558, 1148048), (593, 1080288), (682, 939312), (726, 882384), (744, 861036), (792, 808852), (968, 661788), (992, 645777), (1023, 626208), (1056, 606639), (1089, 588256), (1116, 574024), (1186, 540144), (1364, 469656), (1452, 441192), (1488, 430518), (1584, 404426), (1779, 360096), (1936, 330894), (2046, 313104), (2178, 294128), (2232, 287012), (2372, 270072), (2728, 234828), (2904, 220596), (2976, 215259), (3069, 208736), (3168, 202213), (3558, 180048), (3751, 170784), (3872, 165447), (4092, 156552), (4356, 147064), (4464, 143506), (4744, 135036), (5337, 120032), (5456, 117414), (5808, 110298), (6138, 104368), (6523, 98208), (7116, 90024), (7502, 85392), (8184, 78276), (8712, 73532), (8928, 71753), (9488, 67518), (10674, 60016), (10912, 58707), (11253, 56928), (11616, 55149), (12276, 52184), (13046, 49104), (14232, 45012), (15004, 42696), (16368, 39138), (17424, 36766), (18383, 34848), (18976, 33759), (19569, 32736), (21348, 30008), (22506, 28464), (24552, 26092)]