15404740

素因数分解:

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

素因数の和:532

約数の個数: 48

約数和(自身を含む): 35138880

約数和(自身を除く): 19734140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 179, 260, 331, 358, 662, 716, 895, 1324, 1655, 1790, 2327, 3310, 3580, 4303, 4654, 6620, 8606, 9308, 11635, 17212, 21515, 23270, 43030, 46540, 59249, 86060, 118498, 236996, 296245, 592490, 770237, 1184980, 1540474, 3080948, 3851185, 7702370, 15404740]

約数ペア:

[(1, 15404740), (2, 7702370), (4, 3851185), (5, 3080948), (10, 1540474), (13, 1184980), (20, 770237), (26, 592490), (52, 296245), (65, 236996), (130, 118498), (179, 86060), (260, 59249), (331, 46540), (358, 43030), (662, 23270), (716, 21515), (895, 17212), (1324, 11635), (1655, 9308), (1790, 8606), (2327, 6620), (3310, 4654), (3580, 4303)]