1581567320

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{359}}^1\times {\mathrm{457}}^1$

素因数の和:1068

約数の個数: 64

約数和(自身を含む): 3591086400

約数和(自身を除く): 2009519080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 359, 457, 482, 718, 914, 964, 1205, 1436, 1795, 1828, 1928, 2285, 2410, 2872, 3590, 3656, 4570, 4820, 7180, 9140, 9640, 14360, 18280, 86519, 110137, 164063, 173038, 220274, 328126, 346076, 432595, 440548, 550685, 656252, 692152, 820315, 865190, 881096, 1101370, 1312504, 1640630, 1730380, 2202740, 3281260, 3460760, 4405480, 6562520, 39539183, 79078366, 158156732, 197695915, 316313464, 395391830, 790783660, 1581567320]

約数ペア:

[(1, 1581567320), (2, 790783660), (4, 395391830), (5, 316313464), (8, 197695915), (10, 158156732), (20, 79078366), (40, 39539183), (241, 6562520), (359, 4405480), (457, 3460760), (482, 3281260), (718, 2202740), (914, 1730380), (964, 1640630), (1205, 1312504), (1436, 1101370), (1795, 881096), (1828, 865190), (1928, 820315), (2285, 692152), (2410, 656252), (2872, 550685), (3590, 440548), (3656, 432595), (4570, 346076), (4820, 328126), (7180, 220274), (9140, 173038), (9640, 164063), (14360, 110137), (18280, 86519)]