1978720

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 48

約数和(自身を含む): 4762800

約数和(自身を除く): 2784080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 149, 160, 166, 298, 332, 415, 596, 664, 745, 830, 1192, 1328, 1490, 1660, 2384, 2656, 2980, 3320, 4768, 5960, 6640, 11920, 12367, 13280, 23840, 24734, 49468, 61835, 98936, 123670, 197872, 247340, 395744, 494680, 989360, 1978720]

約数ペア:

[(1, 1978720), (2, 989360), (4, 494680), (5, 395744), (8, 247340), (10, 197872), (16, 123670), (20, 98936), (32, 61835), (40, 49468), (80, 24734), (83, 23840), (149, 13280), (160, 12367), (166, 11920), (298, 6640), (332, 5960), (415, 4768), (596, 3320), (664, 2980), (745, 2656), (830, 2384), (1192, 1660), (1328, 1490)]