81457440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{761}}^1$

素因数の和:1002

約数の個数: 96

約数和(自身を含む): 258080256

約数和(自身を除く): 176622816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 223, 240, 446, 480, 669, 761, 892, 1115, 1338, 1522, 1784, 2230, 2283, 2676, 3044, 3345, 3568, 3805, 4460, 4566, 5352, 6088, 6690, 7136, 7610, 8920, 9132, 10704, 11415, 12176, 13380, 15220, 17840, 18264, 21408, 22830, 24352, 26760, 30440, 35680, 36528, 45660, 53520, 60880, 73056, 91320, 107040, 121760, 169703, 182640, 339406, 365280, 509109, 678812, 848515, 1018218, 1357624, 1697030, 2036436, 2545545, 2715248, 3394060, 4072872, 5091090, 5430496, 6788120, 8145744, 10182180, 13576240, 16291488, 20364360, 27152480, 40728720, 81457440]

約数ペア:

[(1, 81457440), (2, 40728720), (3, 27152480), (4, 20364360), (5, 16291488), (6, 13576240), (8, 10182180), (10, 8145744), (12, 6788120), (15, 5430496), (16, 5091090), (20, 4072872), (24, 3394060), (30, 2715248), (32, 2545545), (40, 2036436), (48, 1697030), (60, 1357624), (80, 1018218), (96, 848515), (120, 678812), (160, 509109), (223, 365280), (240, 339406), (446, 182640), (480, 169703), (669, 121760), (761, 107040), (892, 91320), (1115, 73056), (1338, 60880), (1522, 53520), (1784, 45660), (2230, 36528), (2283, 35680), (2676, 30440), (3044, 26760), (3345, 24352), (3568, 22830), (3805, 21408), (4460, 18264), (4566, 17840), (5352, 15220), (6088, 13380), (6690, 12176), (7136, 11415), (7610, 10704), (8920, 9132)]