215565720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{22739}}^1$

素因数の和:22832

約数の個数: 64

約数和(自身を含む): 654912000

約数和(自身を除く): 439346280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 22739, 45478, 68217, 90956, 113695, 136434, 181912, 227390, 272868, 341085, 454780, 545736, 682170, 909560, 1364340, 1796381, 2728680, 3592762, 5389143, 7185524, 8981905, 10778286, 14371048, 17963810, 21556572, 26945715, 35927620, 43113144, 53891430, 71855240, 107782860, 215565720]

約数ペア:

[(1, 215565720), (2, 107782860), (3, 71855240), (4, 53891430), (5, 43113144), (6, 35927620), (8, 26945715), (10, 21556572), (12, 17963810), (15, 14371048), (20, 10778286), (24, 8981905), (30, 7185524), (40, 5389143), (60, 3592762), (79, 2728680), (120, 1796381), (158, 1364340), (237, 909560), (316, 682170), (395, 545736), (474, 454780), (632, 341085), (790, 272868), (948, 227390), (1185, 181912), (1580, 136434), (1896, 113695), (2370, 90956), (3160, 68217), (4740, 45478), (9480, 22739)]