61618960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{331}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 155615040

約数和(自身を除く): 93996080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 179, 208, 260, 331, 358, 520, 662, 716, 895, 1040, 1324, 1432, 1655, 1790, 2327, 2648, 2864, 3310, 3580, 4303, 4654, 5296, 6620, 7160, 8606, 9308, 11635, 13240, 14320, 17212, 18616, 21515, 23270, 26480, 34424, 37232, 43030, 46540, 59249, 68848, 86060, 93080, 118498, 172120, 186160, 236996, 296245, 344240, 473992, 592490, 770237, 947984, 1184980, 1540474, 2369960, 3080948, 3851185, 4739920, 6161896, 7702370, 12323792, 15404740, 30809480, 61618960]

約数ペア:

[(1, 61618960), (2, 30809480), (4, 15404740), (5, 12323792), (8, 7702370), (10, 6161896), (13, 4739920), (16, 3851185), (20, 3080948), (26, 2369960), (40, 1540474), (52, 1184980), (65, 947984), (80, 770237), (104, 592490), (130, 473992), (179, 344240), (208, 296245), (260, 236996), (331, 186160), (358, 172120), (520, 118498), (662, 93080), (716, 86060), (895, 68848), (1040, 59249), (1324, 46540), (1432, 43030), (1655, 37232), (1790, 34424), (2327, 26480), (2648, 23270), (2864, 21515), (3310, 18616), (3580, 17212), (4303, 14320), (4654, 13240), (5296, 11635), (6620, 9308), (7160, 8606)]