640556224

素因数分解:

$2^6\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:667

約数の個数: 168

約数和(自身を含む): 1667865600

約数和(自身を除く): 1027309376

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 49, 56, 62, 64, 77, 88, 98, 112, 124, 154, 176, 196, 217, 224, 248, 308, 341, 352, 392, 434, 448, 496, 539, 599, 616, 682, 704, 784, 868, 992, 1078, 1198, 1232, 1364, 1519, 1568, 1736, 1984, 2156, 2387, 2396, 2464, 2728, 3038, 3136, 3472, 4193, 4312, 4774, 4792, 4928, 5456, 6076, 6589, 6944, 8386, 8624, 9548, 9584, 10912, 12152, 13178, 13888, 16709, 16772, 17248, 18569, 19096, 19168, 21824, 24304, 26356, 29351, 33418, 33544, 34496, 37138, 38192, 38336, 46123, 48608, 52712, 58702, 66836, 67088, 74276, 76384, 92246, 97216, 105424, 117404, 129983, 133672, 134176, 148552, 152768, 184492, 204259, 210848, 234808, 259966, 267344, 268352, 297104, 322861, 368984, 408518, 421696, 469616, 519932, 534688, 594208, 645722, 737968, 817036, 909881, 939232, 1039864, 1069376, 1188416, 1291444, 1429813, 1475936, 1634072, 1819762, 1878464, 2079728, 2582888, 2859626, 2951872, 3268144, 3639524, 4159456, 5165776, 5719252, 6536288, 7279048, 8318912, 10008691, 10331552, 11438504, 13072576, 14558096, 20017382, 20663104, 22877008, 29116192, 40034764, 45754016, 58232384, 80069528, 91508032, 160139056, 320278112, 640556224]

約数ペア:

[(1, 640556224), (2, 320278112), (4, 160139056), (7, 91508032), (8, 80069528), (11, 58232384), (14, 45754016), (16, 40034764), (22, 29116192), (28, 22877008), (31, 20663104), (32, 20017382), (44, 14558096), (49, 13072576), (56, 11438504), (62, 10331552), (64, 10008691), (77, 8318912), (88, 7279048), (98, 6536288), (112, 5719252), (124, 5165776), (154, 4159456), (176, 3639524), (196, 3268144), (217, 2951872), (224, 2859626), (248, 2582888), (308, 2079728), (341, 1878464), (352, 1819762), (392, 1634072), (434, 1475936), (448, 1429813), (496, 1291444), (539, 1188416), (599, 1069376), (616, 1039864), (682, 939232), (704, 909881), (784, 817036), (868, 737968), (992, 645722), (1078, 594208), (1198, 534688), (1232, 519932), (1364, 469616), (1519, 421696), (1568, 408518), (1736, 368984), (1984, 322861), (2156, 297104), (2387, 268352), (2396, 267344), (2464, 259966), (2728, 234808), (3038, 210848), (3136, 204259), (3472, 184492), (4193, 152768), (4312, 148552), (4774, 134176), (4792, 133672), (4928, 129983), (5456, 117404), (6076, 105424), (6589, 97216), (6944, 92246), (8386, 76384), (8624, 74276), (9548, 67088), (9584, 66836), (10912, 58702), (12152, 52712), (13178, 48608), (13888, 46123), (16709, 38336), (16772, 38192), (17248, 37138), (18569, 34496), (19096, 33544), (19168, 33418), (21824, 29351), (24304, 26356)]