15120800

素因数分解:

$2^5\times 5^2\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:522

約数の個数: 72

約数和(自身を含む): 37896012

約数和(自身を除く): 22775212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 80, 82, 100, 160, 164, 200, 205, 328, 400, 410, 461, 656, 800, 820, 922, 1025, 1312, 1640, 1844, 2050, 2305, 3280, 3688, 4100, 4610, 6560, 7376, 8200, 9220, 11525, 14752, 16400, 18440, 18901, 23050, 32800, 36880, 37802, 46100, 73760, 75604, 92200, 94505, 151208, 184400, 189010, 302416, 368800, 378020, 472525, 604832, 756040, 945050, 1512080, 1890100, 3024160, 3780200, 7560400, 15120800]

約数ペア:

[(1, 15120800), (2, 7560400), (4, 3780200), (5, 3024160), (8, 1890100), (10, 1512080), (16, 945050), (20, 756040), (25, 604832), (32, 472525), (40, 378020), (41, 368800), (50, 302416), (80, 189010), (82, 184400), (100, 151208), (160, 94505), (164, 92200), (200, 75604), (205, 73760), (328, 46100), (400, 37802), (410, 36880), (461, 32800), (656, 23050), (800, 18901), (820, 18440), (922, 16400), (1025, 14752), (1312, 11525), (1640, 9220), (1844, 8200), (2050, 7376), (2305, 6560), (3280, 4610), (3688, 4100)]