31808760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1907}}^1$

素因数の和:2060

約数の個数: 64

約数和(自身を含む): 96163200

約数和(自身を除く): 64354440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1390, 1668, 1907, 2085, 2780, 3336, 3814, 4170, 5560, 5721, 7628, 8340, 9535, 11442, 15256, 16680, 19070, 22884, 28605, 38140, 45768, 57210, 76280, 114420, 228840, 265073, 530146, 795219, 1060292, 1325365, 1590438, 2120584, 2650730, 3180876, 3976095, 5301460, 6361752, 7952190, 10602920, 15904380, 31808760]

約数ペア:

[(1, 31808760), (2, 15904380), (3, 10602920), (4, 7952190), (5, 6361752), (6, 5301460), (8, 3976095), (10, 3180876), (12, 2650730), (15, 2120584), (20, 1590438), (24, 1325365), (30, 1060292), (40, 795219), (60, 530146), (120, 265073), (139, 228840), (278, 114420), (417, 76280), (556, 57210), (695, 45768), (834, 38140), (1112, 28605), (1390, 22884), (1668, 19070), (1907, 16680), (2085, 15256), (2780, 11442), (3336, 9535), (3814, 8340), (4170, 7628), (5560, 5721)]