78880920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15287}}^1$

素因数の和:15344

約数の個数: 64

約数和(自身を含む): 242161920

約数和(自身を除く): 163281000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 15287, 30574, 45861, 61148, 76435, 91722, 122296, 152870, 183444, 229305, 305740, 366888, 458610, 611480, 657341, 917220, 1314682, 1834440, 1972023, 2629364, 3286705, 3944046, 5258728, 6573410, 7888092, 9860115, 13146820, 15776184, 19720230, 26293640, 39440460, 78880920]

約数ペア:

[(1, 78880920), (2, 39440460), (3, 26293640), (4, 19720230), (5, 15776184), (6, 13146820), (8, 9860115), (10, 7888092), (12, 6573410), (15, 5258728), (20, 3944046), (24, 3286705), (30, 2629364), (40, 1972023), (43, 1834440), (60, 1314682), (86, 917220), (120, 657341), (129, 611480), (172, 458610), (215, 366888), (258, 305740), (344, 229305), (430, 183444), (516, 152870), (645, 122296), (860, 91722), (1032, 76435), (1290, 61148), (1720, 45861), (2580, 30574), (5160, 15287)]