72849760

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26783}}^1$

素因数の和:26815

約数の個数: 48

約数和(自身を含む): 182238336

約数和(自身を除く): 109388576

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 26783, 53566, 107132, 133915, 214264, 267830, 428528, 455311, 535660, 857056, 910622, 1071320, 1821244, 2142640, 2276555, 3642488, 4285280, 4553110, 7284976, 9106220, 14569952, 18212440, 36424880, 72849760]

約数ペア:

[(1, 72849760), (2, 36424880), (4, 18212440), (5, 14569952), (8, 9106220), (10, 7284976), (16, 4553110), (17, 4285280), (20, 3642488), (32, 2276555), (34, 2142640), (40, 1821244), (68, 1071320), (80, 910622), (85, 857056), (136, 535660), (160, 455311), (170, 428528), (272, 267830), (340, 214264), (544, 133915), (680, 107132), (1360, 53566), (2720, 26783)]