1520769900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{389941}}^1$

素因数の和:389971

約数の個数: 72

約数和(自身を含む): 4738575184

約数和(自身を除く): 3217805284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 389941, 779882, 1169823, 1559764, 1949705, 2339646, 3899410, 4679292, 5069233, 5849115, 7798820, 9748525, 10138466, 11698230, 15207699, 19497050, 20276932, 23396460, 25346165, 29245575, 30415398, 38994100, 50692330, 58491150, 60830796, 76038495, 101384660, 116982300, 126730825, 152076990, 253461650, 304153980, 380192475, 506923300, 760384950, 1520769900]

約数ペア:

[(1, 1520769900), (2, 760384950), (3, 506923300), (4, 380192475), (5, 304153980), (6, 253461650), (10, 152076990), (12, 126730825), (13, 116982300), (15, 101384660), (20, 76038495), (25, 60830796), (26, 58491150), (30, 50692330), (39, 38994100), (50, 30415398), (52, 29245575), (60, 25346165), (65, 23396460), (75, 20276932), (78, 19497050), (100, 15207699), (130, 11698230), (150, 10138466), (156, 9748525), (195, 7798820), (260, 5849115), (300, 5069233), (325, 4679292), (390, 3899410), (650, 2339646), (780, 1949705), (975, 1559764), (1300, 1169823), (1950, 779882), (3900, 389941)]