15878960

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2719}}^1$

素因数の和:2805

約数の個数: 40

約数和(自身を含む): 37438080

約数和(自身を除く): 21559120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2719, 2920, 5438, 5840, 10876, 13595, 21752, 27190, 43504, 54380, 108760, 198487, 217520, 396974, 793948, 992435, 1587896, 1984870, 3175792, 3969740, 7939480, 15878960]

約数ペア:

[(1, 15878960), (2, 7939480), (4, 3969740), (5, 3175792), (8, 1984870), (10, 1587896), (16, 992435), (20, 793948), (40, 396974), (73, 217520), (80, 198487), (146, 108760), (292, 54380), (365, 43504), (584, 27190), (730, 21752), (1168, 13595), (1460, 10876), (2719, 5840), (2920, 5438)]