15961494160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10500983}}^1$

素因数の和:10501015

約数の個数: 40

約数和(自身を含む): 39063660480

約数和(自身を除く): 23102166320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 10500983, 21001966, 42003932, 52504915, 84007864, 105009830, 168015728, 199518677, 210019660, 399037354, 420039320, 798074708, 840078640, 997593385, 1596149416, 1995186770, 3192298832, 3990373540, 7980747080, 15961494160]

約数ペア:

[(1, 15961494160), (2, 7980747080), (4, 3990373540), (5, 3192298832), (8, 1995186770), (10, 1596149416), (16, 997593385), (19, 840078640), (20, 798074708), (38, 420039320), (40, 399037354), (76, 210019660), (80, 199518677), (95, 168015728), (152, 105009830), (190, 84007864), (304, 52504915), (380, 42003932), (760, 21001966), (1520, 10500983)]