28898040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{857}}^1$

素因数の和:1152

約数の個数: 64

約数和(自身を含む): 87104160

約数和(自身を除く): 58206120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 281, 562, 843, 857, 1124, 1405, 1686, 1714, 2248, 2571, 2810, 3372, 3428, 4215, 4285, 5142, 5620, 6744, 6856, 8430, 8570, 10284, 11240, 12855, 16860, 17140, 20568, 25710, 33720, 34280, 51420, 102840, 240817, 481634, 722451, 963268, 1204085, 1444902, 1926536, 2408170, 2889804, 3612255, 4816340, 5779608, 7224510, 9632680, 14449020, 28898040]

約数ペア:

[(1, 28898040), (2, 14449020), (3, 9632680), (4, 7224510), (5, 5779608), (6, 4816340), (8, 3612255), (10, 2889804), (12, 2408170), (15, 1926536), (20, 1444902), (24, 1204085), (30, 963268), (40, 722451), (60, 481634), (120, 240817), (281, 102840), (562, 51420), (843, 34280), (857, 33720), (1124, 25710), (1405, 20568), (1686, 17140), (1714, 16860), (2248, 12855), (2571, 11240), (2810, 10284), (3372, 8570), (3428, 8430), (4215, 6856), (4285, 6744), (5142, 5620)]