31009980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{977}}^1$

素因数の和:1035

約数の個数: 72

約数和(自身を含む): 90860112

約数和(自身を除く): 59850132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 529, 690, 977, 1058, 1380, 1587, 1954, 2116, 2645, 2931, 3174, 3908, 4885, 5290, 5862, 6348, 7935, 9770, 10580, 11724, 14655, 15870, 19540, 22471, 29310, 31740, 44942, 58620, 67413, 89884, 112355, 134826, 224710, 269652, 337065, 449420, 516833, 674130, 1033666, 1348260, 1550499, 2067332, 2584165, 3100998, 5168330, 6201996, 7752495, 10336660, 15504990, 31009980]

約数ペア:

[(1, 31009980), (2, 15504990), (3, 10336660), (4, 7752495), (5, 6201996), (6, 5168330), (10, 3100998), (12, 2584165), (15, 2067332), (20, 1550499), (23, 1348260), (30, 1033666), (46, 674130), (60, 516833), (69, 449420), (92, 337065), (115, 269652), (138, 224710), (230, 134826), (276, 112355), (345, 89884), (460, 67413), (529, 58620), (690, 44942), (977, 31740), (1058, 29310), (1380, 22471), (1587, 19540), (1954, 15870), (2116, 14655), (2645, 11724), (2931, 10580), (3174, 9770), (3908, 7935), (4885, 6348), (5290, 5862)]