8071980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19219}}^1$

素因数の和:19238

約数の個数: 48

約数和(自身を含む): 25831680

約数和(自身を除く): 17759700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 19219, 38438, 57657, 76876, 96095, 115314, 134533, 192190, 230628, 269066, 288285, 384380, 403599, 538132, 576570, 672665, 807198, 1153140, 1345330, 1614396, 2017995, 2690660, 4035990, 8071980]

約数ペア:

[(1, 8071980), (2, 4035990), (3, 2690660), (4, 2017995), (5, 1614396), (6, 1345330), (7, 1153140), (10, 807198), (12, 672665), (14, 576570), (15, 538132), (20, 403599), (21, 384380), (28, 288285), (30, 269066), (35, 230628), (42, 192190), (60, 134533), (70, 115314), (84, 96095), (105, 76876), (140, 57657), (210, 38438), (420, 19219)]