668005360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:623

約数の個数: 160

約数和(自身を含む): 1789599744

約数和(自身を除く): 1121594384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 47, 55, 62, 80, 88, 94, 110, 124, 155, 176, 188, 220, 235, 248, 310, 341, 376, 440, 470, 496, 517, 521, 620, 682, 752, 880, 940, 1034, 1042, 1240, 1364, 1457, 1705, 1880, 2068, 2084, 2480, 2585, 2605, 2728, 2914, 3410, 3760, 4136, 4168, 5170, 5210, 5456, 5731, 5828, 6820, 7285, 8272, 8336, 10340, 10420, 11462, 11656, 13640, 14570, 16027, 16151, 20680, 20840, 22924, 23312, 24487, 27280, 28655, 29140, 32054, 32302, 41360, 41680, 45848, 48974, 57310, 58280, 64108, 64604, 80135, 80755, 91696, 97948, 114620, 116560, 122435, 128216, 129208, 160270, 161510, 177661, 195896, 229240, 244870, 256432, 258416, 269357, 320540, 323020, 355322, 391792, 458480, 489740, 538714, 641080, 646040, 710644, 759097, 888305, 979480, 1077428, 1282160, 1292080, 1346785, 1421288, 1518194, 1776610, 1958960, 2154856, 2693570, 2842576, 3036388, 3553220, 3795485, 4309712, 5387140, 6072776, 7106440, 7590970, 8350067, 10774280, 12145552, 14212880, 15181940, 16700134, 21548560, 30363880, 33400268, 41750335, 60727760, 66800536, 83500670, 133601072, 167001340, 334002680, 668005360]

約数ペア:

[(1, 668005360), (2, 334002680), (4, 167001340), (5, 133601072), (8, 83500670), (10, 66800536), (11, 60727760), (16, 41750335), (20, 33400268), (22, 30363880), (31, 21548560), (40, 16700134), (44, 15181940), (47, 14212880), (55, 12145552), (62, 10774280), (80, 8350067), (88, 7590970), (94, 7106440), (110, 6072776), (124, 5387140), (155, 4309712), (176, 3795485), (188, 3553220), (220, 3036388), (235, 2842576), (248, 2693570), (310, 2154856), (341, 1958960), (376, 1776610), (440, 1518194), (470, 1421288), (496, 1346785), (517, 1292080), (521, 1282160), (620, 1077428), (682, 979480), (752, 888305), (880, 759097), (940, 710644), (1034, 646040), (1042, 641080), (1240, 538714), (1364, 489740), (1457, 458480), (1705, 391792), (1880, 355322), (2068, 323020), (2084, 320540), (2480, 269357), (2585, 258416), (2605, 256432), (2728, 244870), (2914, 229240), (3410, 195896), (3760, 177661), (4136, 161510), (4168, 160270), (5170, 129208), (5210, 128216), (5456, 122435), (5731, 116560), (5828, 114620), (6820, 97948), (7285, 91696), (8272, 80755), (8336, 80135), (10340, 64604), (10420, 64108), (11462, 58280), (11656, 57310), (13640, 48974), (14570, 45848), (16027, 41680), (16151, 41360), (20680, 32302), (20840, 32054), (22924, 29140), (23312, 28655), (24487, 27280)]