1275788040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{81157}}^1$

素因数の和:81302

約数の個数: 64

約数和(自身を含む): 3856628160

約数和(自身を除く): 2580840120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2620, 3144, 3930, 5240, 7860, 15720, 81157, 162314, 243471, 324628, 405785, 486942, 649256, 811570, 973884, 1217355, 1623140, 1947768, 2434710, 3246280, 4869420, 9738840, 10631567, 21263134, 31894701, 42526268, 53157835, 63789402, 85052536, 106315670, 127578804, 159473505, 212631340, 255157608, 318947010, 425262680, 637894020, 1275788040]

約数ペア:

[(1, 1275788040), (2, 637894020), (3, 425262680), (4, 318947010), (5, 255157608), (6, 212631340), (8, 159473505), (10, 127578804), (12, 106315670), (15, 85052536), (20, 63789402), (24, 53157835), (30, 42526268), (40, 31894701), (60, 21263134), (120, 10631567), (131, 9738840), (262, 4869420), (393, 3246280), (524, 2434710), (655, 1947768), (786, 1623140), (1048, 1217355), (1310, 973884), (1572, 811570), (1965, 649256), (2620, 486942), (3144, 405785), (3930, 324628), (5240, 243471), (7860, 162314), (15720, 81157)]