180584240

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{31793}}^1$

素因数の和:31877

約数の個数: 40

約数和(自身を含む): 425785248

約数和(自身を除く): 245201008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 31793, 63586, 127172, 158965, 254344, 317930, 508688, 635860, 1271720, 2257303, 2543440, 4514606, 9029212, 11286515, 18058424, 22573030, 36116848, 45146060, 90292120, 180584240]

約数ペア:

[(1, 180584240), (2, 90292120), (4, 45146060), (5, 36116848), (8, 22573030), (10, 18058424), (16, 11286515), (20, 9029212), (40, 4514606), (71, 2543440), (80, 2257303), (142, 1271720), (284, 635860), (355, 508688), (568, 317930), (710, 254344), (1136, 158965), (1420, 127172), (2840, 63586), (5680, 31793)]