30999520

素因数分解:

$2^5\times 5^1\times {\mathrm{313}}^1\times {\mathrm{619}}^1$

素因数の和:947

約数の個数: 48

約数和(自身を含む): 73589040

約数和(自身を除く): 42589520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 313, 619, 626, 1238, 1252, 1565, 2476, 2504, 3095, 3130, 4952, 5008, 6190, 6260, 9904, 10016, 12380, 12520, 19808, 24760, 25040, 49520, 50080, 99040, 193747, 387494, 774988, 968735, 1549976, 1937470, 3099952, 3874940, 6199904, 7749880, 15499760, 30999520]

約数ペア:

[(1, 30999520), (2, 15499760), (4, 7749880), (5, 6199904), (8, 3874940), (10, 3099952), (16, 1937470), (20, 1549976), (32, 968735), (40, 774988), (80, 387494), (160, 193747), (313, 99040), (619, 50080), (626, 49520), (1238, 25040), (1252, 24760), (1565, 19808), (2476, 12520), (2504, 12380), (3095, 10016), (3130, 9904), (4952, 6260), (5008, 6190)]