2015611280

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{271}}^1\times {\mathrm{389}}^1$

素因数の和:912

約数の個数: 80

約数和(自身を含む): 4735411200

約数和(自身を除く): 2719799920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 271, 389, 478, 542, 778, 956, 1084, 1195, 1355, 1556, 1912, 1945, 2168, 2390, 2710, 3112, 3824, 3890, 4336, 4780, 5420, 6224, 7780, 9560, 10840, 15560, 19120, 21680, 31120, 64769, 92971, 105419, 129538, 185942, 210838, 259076, 323845, 371884, 421676, 464855, 518152, 527095, 647690, 743768, 843352, 929710, 1036304, 1054190, 1295380, 1487536, 1686704, 1859420, 2108380, 2590760, 3718840, 4216760, 5181520, 7437680, 8433520, 25195141, 50390282, 100780564, 125975705, 201561128, 251951410, 403122256, 503902820, 1007805640, 2015611280]

約数ペア:

[(1, 2015611280), (2, 1007805640), (4, 503902820), (5, 403122256), (8, 251951410), (10, 201561128), (16, 125975705), (20, 100780564), (40, 50390282), (80, 25195141), (239, 8433520), (271, 7437680), (389, 5181520), (478, 4216760), (542, 3718840), (778, 2590760), (956, 2108380), (1084, 1859420), (1195, 1686704), (1355, 1487536), (1556, 1295380), (1912, 1054190), (1945, 1036304), (2168, 929710), (2390, 843352), (2710, 743768), (3112, 647690), (3824, 527095), (3890, 518152), (4336, 464855), (4780, 421676), (5420, 371884), (6224, 323845), (7780, 259076), (9560, 210838), (10840, 185942), (15560, 129538), (19120, 105419), (21680, 92971), (31120, 64769)]