68675553640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1\times {\mathrm{110989}}^1$

素因数の和:111530

約数の個数: 64

約数和(自身を含む): 159825600000

約数和(自身を除く): 91150046360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 499, 620, 998, 1240, 1996, 2495, 3992, 4990, 9980, 15469, 19960, 30938, 61876, 77345, 110989, 123752, 154690, 221978, 309380, 443956, 554945, 618760, 887912, 1109890, 2219780, 3440659, 4439560, 6881318, 13762636, 17203295, 27525272, 34406590, 55383511, 68813180, 110767022, 137626360, 221534044, 276917555, 443068088, 553835110, 1107670220, 1716888841, 2215340440, 3433777682, 6867555364, 8584444205, 13735110728, 17168888410, 34337776820, 68675553640]

約数ペア:

[(1, 68675553640), (2, 34337776820), (4, 17168888410), (5, 13735110728), (8, 8584444205), (10, 6867555364), (20, 3433777682), (31, 2215340440), (40, 1716888841), (62, 1107670220), (124, 553835110), (155, 443068088), (248, 276917555), (310, 221534044), (499, 137626360), (620, 110767022), (998, 68813180), (1240, 55383511), (1996, 34406590), (2495, 27525272), (3992, 17203295), (4990, 13762636), (9980, 6881318), (15469, 4439560), (19960, 3440659), (30938, 2219780), (61876, 1109890), (77345, 887912), (110989, 618760), (123752, 554945), (154690, 443956), (221978, 309380)]