31490190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 85662720

約数和(自身を除く): 54172530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 79, 86, 90, 103, 129, 158, 206, 215, 237, 258, 309, 387, 395, 430, 474, 515, 618, 645, 711, 774, 790, 927, 1030, 1185, 1290, 1422, 1545, 1854, 1935, 2370, 3090, 3397, 3555, 3870, 4429, 4635, 6794, 7110, 8137, 8858, 9270, 10191, 13287, 16274, 16985, 20382, 22145, 24411, 26574, 30573, 33970, 39861, 40685, 44290, 48822, 50955, 61146, 66435, 73233, 79722, 81370, 101910, 122055, 132870, 146466, 152865, 199305, 244110, 305730, 349891, 366165, 398610, 699782, 732330, 1049673, 1749455, 2099346, 3149019, 3498910, 5248365, 6298038, 10496730, 15745095, 31490190]

約数ペア:

[(1, 31490190), (2, 15745095), (3, 10496730), (5, 6298038), (6, 5248365), (9, 3498910), (10, 3149019), (15, 2099346), (18, 1749455), (30, 1049673), (43, 732330), (45, 699782), (79, 398610), (86, 366165), (90, 349891), (103, 305730), (129, 244110), (158, 199305), (206, 152865), (215, 146466), (237, 132870), (258, 122055), (309, 101910), (387, 81370), (395, 79722), (430, 73233), (474, 66435), (515, 61146), (618, 50955), (645, 48822), (711, 44290), (774, 40685), (790, 39861), (927, 33970), (1030, 30573), (1185, 26574), (1290, 24411), (1422, 22145), (1545, 20382), (1854, 16985), (1935, 16274), (2370, 13287), (3090, 10191), (3397, 9270), (3555, 8858), (3870, 8137), (4429, 7110), (4635, 6794)]