67920680

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{5531}}^1$

素因数の和:5849

約数の個数: 32

約数和(自身を含む): 153347040

約数和(自身を除く): 85426360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 5531, 6140, 11062, 12280, 22124, 27655, 44248, 55310, 110620, 221240, 1698017, 3396034, 6792068, 8490085, 13584136, 16980170, 33960340, 67920680]

約数ペア:

[(1, 67920680), (2, 33960340), (4, 16980170), (5, 13584136), (8, 8490085), (10, 6792068), (20, 3396034), (40, 1698017), (307, 221240), (614, 110620), (1228, 55310), (1535, 44248), (2456, 27655), (3070, 22124), (5531, 12280), (6140, 11062)]