71218020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{2131}}^1$

素因数の和:2700

約数の個数: 48

約数和(自身を含む): 199862208

約数和(自身を除く): 128644188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 557, 1114, 1671, 2131, 2228, 2785, 3342, 4262, 5570, 6393, 6684, 8355, 8524, 10655, 11140, 12786, 16710, 21310, 25572, 31965, 33420, 42620, 63930, 127860, 1186967, 2373934, 3560901, 4747868, 5934835, 7121802, 11869670, 14243604, 17804505, 23739340, 35609010, 71218020]

約数ペア:

[(1, 71218020), (2, 35609010), (3, 23739340), (4, 17804505), (5, 14243604), (6, 11869670), (10, 7121802), (12, 5934835), (15, 4747868), (20, 3560901), (30, 2373934), (60, 1186967), (557, 127860), (1114, 63930), (1671, 42620), (2131, 33420), (2228, 31965), (2785, 25572), (3342, 21310), (4262, 16710), (5570, 12786), (6393, 11140), (6684, 10655), (8355, 8524)]