15984760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2137}}^1$

素因数の和:2176

約数の個数: 64

約数和(自身を含む): 41562720

約数和(自身を除く): 25577960

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 2137, 3740, 4274, 7480, 8548, 10685, 17096, 21370, 23507, 36329, 42740, 47014, 72658, 85480, 94028, 117535, 145316, 181645, 188056, 235070, 290632, 363290, 399619, 470140, 726580, 799238, 940280, 1453160, 1598476, 1998095, 3196952, 3996190, 7992380, 15984760]

約数ペア:

[(1, 15984760), (2, 7992380), (4, 3996190), (5, 3196952), (8, 1998095), (10, 1598476), (11, 1453160), (17, 940280), (20, 799238), (22, 726580), (34, 470140), (40, 399619), (44, 363290), (55, 290632), (68, 235070), (85, 188056), (88, 181645), (110, 145316), (136, 117535), (170, 94028), (187, 85480), (220, 72658), (340, 47014), (374, 42740), (440, 36329), (680, 23507), (748, 21370), (935, 17096), (1496, 10685), (1870, 8548), (2137, 7480), (3740, 4274)]