15620820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1873}}^1$

素因数の和:2024

約数の個数: 48

約数和(自身を含む): 44076480

約数和(自身を除く): 28455660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 1873, 2085, 2780, 3746, 4170, 5619, 7492, 8340, 9365, 11238, 18730, 22476, 28095, 37460, 56190, 112380, 260347, 520694, 781041, 1041388, 1301735, 1562082, 2603470, 3124164, 3905205, 5206940, 7810410, 15620820]

約数ペア:

[(1, 15620820), (2, 7810410), (3, 5206940), (4, 3905205), (5, 3124164), (6, 2603470), (10, 1562082), (12, 1301735), (15, 1041388), (20, 781041), (30, 520694), (60, 260347), (139, 112380), (278, 56190), (417, 37460), (556, 28095), (695, 22476), (834, 18730), (1390, 11238), (1668, 9365), (1873, 8340), (2085, 7492), (2780, 5619), (3746, 4170)]