28844040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1531}}^1$

素因数の和:1702

約数の個数: 64

約数和(自身を含む): 87140160

約数和(自身を除く): 58296120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1531, 1570, 1884, 2355, 3062, 3140, 3768, 4593, 4710, 6124, 6280, 7655, 9186, 9420, 12248, 15310, 18372, 18840, 22965, 30620, 36744, 45930, 61240, 91860, 183720, 240367, 480734, 721101, 961468, 1201835, 1442202, 1922936, 2403670, 2884404, 3605505, 4807340, 5768808, 7211010, 9614680, 14422020, 28844040]

約数ペア:

[(1, 28844040), (2, 14422020), (3, 9614680), (4, 7211010), (5, 5768808), (6, 4807340), (8, 3605505), (10, 2884404), (12, 2403670), (15, 1922936), (20, 1442202), (24, 1201835), (30, 961468), (40, 721101), (60, 480734), (120, 240367), (157, 183720), (314, 91860), (471, 61240), (628, 45930), (785, 36744), (942, 30620), (1256, 22965), (1531, 18840), (1570, 18372), (1884, 15310), (2355, 12248), (3062, 9420), (3140, 9186), (3768, 7655), (4593, 6280), (4710, 6124)]