15256960

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:819

約数の個数: 64

約数和(自身を含む): 37699200

約数和(自身を除く): 22442240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 769, 992, 1240, 1538, 1984, 2480, 3076, 3845, 3968, 4960, 6152, 7690, 9920, 12304, 15380, 19840, 23839, 24608, 30760, 47678, 49216, 61520, 95356, 98432, 119195, 123040, 190712, 238390, 246080, 381424, 476780, 492160, 762848, 953560, 1525696, 1907120, 3051392, 3814240, 7628480, 15256960]

約数ペア:

[(1, 15256960), (2, 7628480), (4, 3814240), (5, 3051392), (8, 1907120), (10, 1525696), (16, 953560), (20, 762848), (31, 492160), (32, 476780), (40, 381424), (62, 246080), (64, 238390), (80, 190712), (124, 123040), (128, 119195), (155, 98432), (160, 95356), (248, 61520), (310, 49216), (320, 47678), (496, 30760), (620, 24608), (640, 23839), (769, 19840), (992, 15380), (1240, 12304), (1538, 9920), (1984, 7690), (2480, 6152), (3076, 4960), (3845, 3968)]