31019280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{421}}^1$

素因数の和:744

約数の個数: 80

約数和(自身を含む): 96702144

約数和(自身を除く): 65682864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 307, 421, 614, 842, 921, 1228, 1263, 1535, 1684, 1842, 2105, 2456, 2526, 3070, 3368, 3684, 4210, 4605, 4912, 5052, 6140, 6315, 6736, 7368, 8420, 9210, 10104, 12280, 12630, 14736, 16840, 18420, 20208, 24560, 25260, 33680, 36840, 50520, 73680, 101040, 129247, 258494, 387741, 516988, 646235, 775482, 1033976, 1292470, 1550964, 1938705, 2067952, 2584940, 3101928, 3877410, 5169880, 6203856, 7754820, 10339760, 15509640, 31019280]

約数ペア:

[(1, 31019280), (2, 15509640), (3, 10339760), (4, 7754820), (5, 6203856), (6, 5169880), (8, 3877410), (10, 3101928), (12, 2584940), (15, 2067952), (16, 1938705), (20, 1550964), (24, 1292470), (30, 1033976), (40, 775482), (48, 646235), (60, 516988), (80, 387741), (120, 258494), (240, 129247), (307, 101040), (421, 73680), (614, 50520), (842, 36840), (921, 33680), (1228, 25260), (1263, 24560), (1535, 20208), (1684, 18420), (1842, 16840), (2105, 14736), (2456, 12630), (2526, 12280), (3070, 10104), (3368, 9210), (3684, 8420), (4210, 7368), (4605, 6736), (4912, 6315), (5052, 6140)]