70813860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{90787}}^1$

素因数の和:90812

約数の個数: 48

約数和(自身を含む): 213533376

約数和(自身を除く): 142719516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 90787, 181574, 272361, 363148, 453935, 544722, 907870, 1089444, 1180231, 1361805, 1815740, 2360462, 2723610, 3540693, 4720924, 5447220, 5901155, 7081386, 11802310, 14162772, 17703465, 23604620, 35406930, 70813860]

約数ペア:

[(1, 70813860), (2, 35406930), (3, 23604620), (4, 17703465), (5, 14162772), (6, 11802310), (10, 7081386), (12, 5901155), (13, 5447220), (15, 4720924), (20, 3540693), (26, 2723610), (30, 2360462), (39, 1815740), (52, 1361805), (60, 1180231), (65, 1089444), (78, 907870), (130, 544722), (156, 453935), (195, 363148), (260, 272361), (390, 181574), (780, 90787)]