15520440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9949}}^1$

素因数の和:9976

約数の個数: 64

約数和(自身を含む): 50148000

約数和(自身を除く): 34627560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 9949, 19898, 29847, 39796, 49745, 59694, 79592, 99490, 119388, 129337, 149235, 198980, 238776, 258674, 298470, 388011, 397960, 517348, 596940, 646685, 776022, 1034696, 1193880, 1293370, 1552044, 1940055, 2586740, 3104088, 3880110, 5173480, 7760220, 15520440]

約数ペア:

[(1, 15520440), (2, 7760220), (3, 5173480), (4, 3880110), (5, 3104088), (6, 2586740), (8, 1940055), (10, 1552044), (12, 1293370), (13, 1193880), (15, 1034696), (20, 776022), (24, 646685), (26, 596940), (30, 517348), (39, 397960), (40, 388011), (52, 298470), (60, 258674), (65, 238776), (78, 198980), (104, 149235), (120, 129337), (130, 119388), (156, 99490), (195, 79592), (260, 59694), (312, 49745), (390, 39796), (520, 29847), (780, 19898), (1560, 9949)]