31040880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9949}}^1$

素因数の和:9978

約数の個数: 80

約数和(自身を含む): 103639200

約数和(自身を除く): 72598320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 9949, 19898, 29847, 39796, 49745, 59694, 79592, 99490, 119388, 129337, 149235, 159184, 198980, 238776, 258674, 298470, 388011, 397960, 477552, 517348, 596940, 646685, 776022, 795920, 1034696, 1193880, 1293370, 1552044, 1940055, 2069392, 2387760, 2586740, 3104088, 3880110, 5173480, 6208176, 7760220, 10346960, 15520440, 31040880]

約数ペア:

[(1, 31040880), (2, 15520440), (3, 10346960), (4, 7760220), (5, 6208176), (6, 5173480), (8, 3880110), (10, 3104088), (12, 2586740), (13, 2387760), (15, 2069392), (16, 1940055), (20, 1552044), (24, 1293370), (26, 1193880), (30, 1034696), (39, 795920), (40, 776022), (48, 646685), (52, 596940), (60, 517348), (65, 477552), (78, 397960), (80, 388011), (104, 298470), (120, 258674), (130, 238776), (156, 198980), (195, 159184), (208, 149235), (240, 129337), (260, 119388), (312, 99490), (390, 79592), (520, 59694), (624, 49745), (780, 39796), (1040, 29847), (1560, 19898), (3120, 9949)]