40728720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{761}}^1$

素因数の和:1000

約数の個数: 80

約数和(自身を含む): 126991872

約数和(自身を除く): 86263152

約数列:

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

約数ペア:

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