15156520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 22168280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 719, 1054, 1240, 1438, 2108, 2635, 2876, 3595, 4216, 5270, 5752, 7190, 10540, 12223, 14380, 21080, 22289, 24446, 28760, 44578, 48892, 61115, 89156, 97784, 111445, 122230, 178312, 222890, 244460, 378913, 445780, 488920, 757826, 891560, 1515652, 1894565, 3031304, 3789130, 7578260, 15156520]

約数ペア:

[(1, 15156520), (2, 7578260), (4, 3789130), (5, 3031304), (8, 1894565), (10, 1515652), (17, 891560), (20, 757826), (31, 488920), (34, 445780), (40, 378913), (62, 244460), (68, 222890), (85, 178312), (124, 122230), (136, 111445), (155, 97784), (170, 89156), (248, 61115), (310, 48892), (340, 44578), (527, 28760), (620, 24446), (680, 22289), (719, 21080), (1054, 14380), (1240, 12223), (1438, 10540), (2108, 7190), (2635, 5752), (2876, 5270), (3595, 4216)]