267496760

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{719}}^1$

素因数の和:932

約数の個数: 64

約数和(自身を含む): 615859200

約数和(自身を除く): 348362440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 131, 142, 262, 284, 355, 524, 568, 655, 710, 719, 1048, 1310, 1420, 1438, 2620, 2840, 2876, 3595, 5240, 5752, 7190, 9301, 14380, 18602, 28760, 37204, 46505, 51049, 74408, 93010, 94189, 102098, 186020, 188378, 204196, 255245, 372040, 376756, 408392, 470945, 510490, 753512, 941890, 1020980, 1883780, 2041960, 3767560, 6687419, 13374838, 26749676, 33437095, 53499352, 66874190, 133748380, 267496760]

約数ペア:

[(1, 267496760), (2, 133748380), (4, 66874190), (5, 53499352), (8, 33437095), (10, 26749676), (20, 13374838), (40, 6687419), (71, 3767560), (131, 2041960), (142, 1883780), (262, 1020980), (284, 941890), (355, 753512), (524, 510490), (568, 470945), (655, 408392), (710, 376756), (719, 372040), (1048, 255245), (1310, 204196), (1420, 188378), (1438, 186020), (2620, 102098), (2840, 94189), (2876, 93010), (3595, 74408), (5240, 51049), (5752, 46505), (7190, 37204), (9301, 28760), (14380, 18602)]