131456720

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{27851}}^1$

素因数の和:27923

約数の個数: 40

約数和(自身を含む): 310828320

約数和(自身を除く): 179371600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 27851, 55702, 111404, 139255, 222808, 278510, 445616, 557020, 1114040, 1643209, 2228080, 3286418, 6572836, 8216045, 13145672, 16432090, 26291344, 32864180, 65728360, 131456720]

約数ペア:

[(1, 131456720), (2, 65728360), (4, 32864180), (5, 26291344), (8, 16432090), (10, 13145672), (16, 8216045), (20, 6572836), (40, 3286418), (59, 2228080), (80, 1643209), (118, 1114040), (236, 557020), (295, 445616), (472, 278510), (590, 222808), (944, 139255), (1180, 111404), (2360, 55702), (4720, 27851)]