406676391680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{788377}}^1$

素因数の和:788442

約数の個数: 144

約数和(自身を含む): 1082890792704

約数和(自身を除く): 676214401024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1240, 1280, 1612, 1664, 1984, 2015, 2080, 2480, 3224, 3328, 3968, 4030, 4160, 4960, 6448, 7936, 8060, 8320, 9920, 12896, 16120, 16640, 19840, 25792, 32240, 39680, 51584, 64480, 103168, 128960, 257920, 515840, 788377, 1576754, 3153508, 3941885, 6307016, 7883770, 10248901, 12614032, 15767540, 20497802, 24439687, 25228064, 31535080, 40995604, 48879374, 50456128, 51244505, 63070160, 81991208, 97758748, 100912256, 102489010, 122198435, 126140320, 163982416, 195517496, 201824512, 204978020, 244396870, 252280640, 317715931, 327964832, 391034992, 409956040, 488793740, 504561280, 635431862, 655929664, 782069984, 819912080, 977587480, 1009122560, 1270863724, 1311859328, 1564139968, 1588579655, 1639824160, 1955174960, 2541727448, 2623718656, 3128279936, 3177159310, 3279648320, 3910349920, 5083454896, 6256559872, 6354318620, 6559296640, 7820699840, 10166909792, 12708637240, 13118593280, 15641399680, 20333819584, 25417274480, 31282799360, 40667639168, 50834548960, 81335278336, 101669097920, 203338195840, 406676391680]

約数ペア:

[(1, 406676391680), (2, 203338195840), (4, 101669097920), (5, 81335278336), (8, 50834548960), (10, 40667639168), (13, 31282799360), (16, 25417274480), (20, 20333819584), (26, 15641399680), (31, 13118593280), (32, 12708637240), (40, 10166909792), (52, 7820699840), (62, 6559296640), (64, 6354318620), (65, 6256559872), (80, 5083454896), (104, 3910349920), (124, 3279648320), (128, 3177159310), (130, 3128279936), (155, 2623718656), (160, 2541727448), (208, 1955174960), (248, 1639824160), (256, 1588579655), (260, 1564139968), (310, 1311859328), (320, 1270863724), (403, 1009122560), (416, 977587480), (496, 819912080), (520, 782069984), (620, 655929664), (640, 635431862), (806, 504561280), (832, 488793740), (992, 409956040), (1040, 391034992), (1240, 327964832), (1280, 317715931), (1612, 252280640), (1664, 244396870), (1984, 204978020), (2015, 201824512), (2080, 195517496), (2480, 163982416), (3224, 126140320), (3328, 122198435), (3968, 102489010), (4030, 100912256), (4160, 97758748), (4960, 81991208), (6448, 63070160), (7936, 51244505), (8060, 50456128), (8320, 48879374), (9920, 40995604), (12896, 31535080), (16120, 25228064), (16640, 24439687), (19840, 20497802), (25792, 15767540), (32240, 12614032), (39680, 10248901), (51584, 7883770), (64480, 6307016), (103168, 3941885), (128960, 3153508), (257920, 1576754), (515840, 788377)]