80840640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{787}}^1$

素因数の和:914

約数の個数: 112

約数和(自身を含む): 259396992

約数和(自身を除く): 178556352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 107, 120, 160, 192, 214, 240, 320, 321, 428, 480, 535, 642, 787, 856, 960, 1070, 1284, 1574, 1605, 1712, 2140, 2361, 2568, 3148, 3210, 3424, 3935, 4280, 4722, 5136, 6296, 6420, 6848, 7870, 8560, 9444, 10272, 11805, 12592, 12840, 15740, 17120, 18888, 20544, 23610, 25184, 25680, 31480, 34240, 37776, 47220, 50368, 51360, 62960, 75552, 84209, 94440, 102720, 125920, 151104, 168418, 188880, 251840, 252627, 336836, 377760, 421045, 505254, 673672, 755520, 842090, 1010508, 1263135, 1347344, 1684180, 2021016, 2526270, 2694688, 3368360, 4042032, 5052540, 5389376, 6736720, 8084064, 10105080, 13473440, 16168128, 20210160, 26946880, 40420320, 80840640]

約数ペア:

[(1, 80840640), (2, 40420320), (3, 26946880), (4, 20210160), (5, 16168128), (6, 13473440), (8, 10105080), (10, 8084064), (12, 6736720), (15, 5389376), (16, 5052540), (20, 4042032), (24, 3368360), (30, 2694688), (32, 2526270), (40, 2021016), (48, 1684180), (60, 1347344), (64, 1263135), (80, 1010508), (96, 842090), (107, 755520), (120, 673672), (160, 505254), (192, 421045), (214, 377760), (240, 336836), (320, 252627), (321, 251840), (428, 188880), (480, 168418), (535, 151104), (642, 125920), (787, 102720), (856, 94440), (960, 84209), (1070, 75552), (1284, 62960), (1574, 51360), (1605, 50368), (1712, 47220), (2140, 37776), (2361, 34240), (2568, 31480), (3148, 25680), (3210, 25184), (3424, 23610), (3935, 20544), (4280, 18888), (4722, 17120), (5136, 15740), (6296, 12840), (6420, 12592), (6848, 11805), (7870, 10272), (8560, 9444)]