28845240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{887}}^1$

素因数の和:1172

約数の個数: 64

約数和(自身を含む): 86952960

約数和(自身を除く): 58107720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 271, 542, 813, 887, 1084, 1355, 1626, 1774, 2168, 2661, 2710, 3252, 3548, 4065, 4435, 5322, 5420, 6504, 7096, 8130, 8870, 10644, 10840, 13305, 16260, 17740, 21288, 26610, 32520, 35480, 53220, 106440, 240377, 480754, 721131, 961508, 1201885, 1442262, 1923016, 2403770, 2884524, 3605655, 4807540, 5769048, 7211310, 9615080, 14422620, 28845240]

約数ペア:

[(1, 28845240), (2, 14422620), (3, 9615080), (4, 7211310), (5, 5769048), (6, 4807540), (8, 3605655), (10, 2884524), (12, 2403770), (15, 1923016), (20, 1442262), (24, 1201885), (30, 961508), (40, 721131), (60, 480754), (120, 240377), (271, 106440), (542, 53220), (813, 35480), (887, 32520), (1084, 26610), (1355, 21288), (1626, 17740), (1774, 16260), (2168, 13305), (2661, 10840), (2710, 10644), (3252, 8870), (3548, 8130), (4065, 7096), (4435, 6504), (5322, 5420)]