2563800680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{315739}}^1$

素因数の和:315786

約数の個数: 64

約数和(自身を含む): 6819984000

約数和(自身を除く): 4256183320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 315739, 631478, 1262956, 1578695, 2210173, 2525912, 3157390, 4420346, 6314780, 8840692, 9156431, 11050865, 12629560, 17681384, 18312862, 22101730, 36625724, 44203460, 45782155, 64095017, 73251448, 88406920, 91564310, 128190034, 183128620, 256380068, 320475085, 366257240, 512760136, 640950170, 1281900340, 2563800680]

約数ペア:

[(1, 2563800680), (2, 1281900340), (4, 640950170), (5, 512760136), (7, 366257240), (8, 320475085), (10, 256380068), (14, 183128620), (20, 128190034), (28, 91564310), (29, 88406920), (35, 73251448), (40, 64095017), (56, 45782155), (58, 44203460), (70, 36625724), (116, 22101730), (140, 18312862), (145, 17681384), (203, 12629560), (232, 11050865), (280, 9156431), (290, 8840692), (406, 6314780), (580, 4420346), (812, 3157390), (1015, 2525912), (1160, 2210173), (1624, 1578695), (2030, 1262956), (4060, 631478), (8120, 315739)]