15866480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{977}}^1$

素因数の和:1026

約数の個数: 80

約数和(自身を含む): 43657920

約数和(自身を除く): 27791440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 977, 1015, 1160, 1624, 1954, 2030, 2320, 3248, 3908, 4060, 4885, 6839, 7816, 8120, 9770, 13678, 15632, 16240, 19540, 27356, 28333, 34195, 39080, 54712, 56666, 68390, 78160, 109424, 113332, 136780, 141665, 198331, 226664, 273560, 283330, 396662, 453328, 547120, 566660, 793324, 991655, 1133320, 1586648, 1983310, 2266640, 3173296, 3966620, 7933240, 15866480]

約数ペア:

[(1, 15866480), (2, 7933240), (4, 3966620), (5, 3173296), (7, 2266640), (8, 1983310), (10, 1586648), (14, 1133320), (16, 991655), (20, 793324), (28, 566660), (29, 547120), (35, 453328), (40, 396662), (56, 283330), (58, 273560), (70, 226664), (80, 198331), (112, 141665), (116, 136780), (140, 113332), (145, 109424), (203, 78160), (232, 68390), (280, 56666), (290, 54712), (406, 39080), (464, 34195), (560, 28333), (580, 27356), (812, 19540), (977, 16240), (1015, 15632), (1160, 13678), (1624, 9770), (1954, 8120), (2030, 7816), (2320, 6839), (3248, 4885), (3908, 4060)]