81344120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14221}}^1$

素因数の和:14256

約数の個数: 64

約数和(自身を含む): 215036640

約数和(自身を除く): 133692520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 14221, 28442, 56884, 71105, 113768, 142210, 156431, 184873, 284420, 312862, 369746, 568840, 625724, 739492, 782155, 924365, 1251448, 1478984, 1564310, 1848730, 2033603, 3128620, 3697460, 4067206, 6257240, 7394920, 8134412, 10168015, 16268824, 20336030, 40672060, 81344120]

約数ペア:

[(1, 81344120), (2, 40672060), (4, 20336030), (5, 16268824), (8, 10168015), (10, 8134412), (11, 7394920), (13, 6257240), (20, 4067206), (22, 3697460), (26, 3128620), (40, 2033603), (44, 1848730), (52, 1564310), (55, 1478984), (65, 1251448), (88, 924365), (104, 782155), (110, 739492), (130, 625724), (143, 568840), (220, 369746), (260, 312862), (286, 284420), (440, 184873), (520, 156431), (572, 142210), (715, 113768), (1144, 71105), (1430, 56884), (2860, 28442), (5720, 14221)]