68480360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1667}}^1$

素因数の和:1770

約数の個数: 64

約数和(自身を含む): 168134400

約数和(自身を除く): 99654040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 790, 1027, 1580, 1667, 2054, 3160, 3334, 4108, 5135, 6668, 8216, 8335, 10270, 13336, 16670, 20540, 21671, 33340, 41080, 43342, 66680, 86684, 108355, 131693, 173368, 216710, 263386, 433420, 526772, 658465, 866840, 1053544, 1316930, 1712009, 2633860, 3424018, 5267720, 6848036, 8560045, 13696072, 17120090, 34240180, 68480360]

約数ペア:

[(1, 68480360), (2, 34240180), (4, 17120090), (5, 13696072), (8, 8560045), (10, 6848036), (13, 5267720), (20, 3424018), (26, 2633860), (40, 1712009), (52, 1316930), (65, 1053544), (79, 866840), (104, 658465), (130, 526772), (158, 433420), (260, 263386), (316, 216710), (395, 173368), (520, 131693), (632, 108355), (790, 86684), (1027, 66680), (1580, 43342), (1667, 41080), (2054, 33340), (3160, 21671), (3334, 20540), (4108, 16670), (5135, 13336), (6668, 10270), (8216, 8335)]