31185480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15287}}^1$

素因数の和:15318

約数の個数: 64

約数和(自身を含む): 99066240

約数和(自身を除く): 67880760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 15287, 30574, 45861, 61148, 76435, 91722, 122296, 152870, 183444, 229305, 259879, 305740, 366888, 458610, 519758, 611480, 779637, 917220, 1039516, 1299395, 1559274, 1834440, 2079032, 2598790, 3118548, 3898185, 5197580, 6237096, 7796370, 10395160, 15592740, 31185480]

約数ペア:

[(1, 31185480), (2, 15592740), (3, 10395160), (4, 7796370), (5, 6237096), (6, 5197580), (8, 3898185), (10, 3118548), (12, 2598790), (15, 2079032), (17, 1834440), (20, 1559274), (24, 1299395), (30, 1039516), (34, 917220), (40, 779637), (51, 611480), (60, 519758), (68, 458610), (85, 366888), (102, 305740), (120, 259879), (136, 229305), (170, 183444), (204, 152870), (255, 122296), (340, 91722), (408, 76435), (510, 61148), (680, 45861), (1020, 30574), (2040, 15287)]