156777990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{77999}}^1$

素因数の和:78076

約数の個数: 32

約数和(自身を含む): 381888000

約数和(自身を除く): 225110010

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 77999, 155998, 233997, 389995, 467994, 779990, 1169985, 2339970, 5225933, 10451866, 15677799, 26129665, 31355598, 52259330, 78388995, 156777990]

約数ペア:

[(1, 156777990), (2, 78388995), (3, 52259330), (5, 31355598), (6, 26129665), (10, 15677799), (15, 10451866), (30, 5225933), (67, 2339970), (134, 1169985), (201, 779990), (335, 467994), (402, 389995), (670, 233997), (1005, 155998), (2010, 77999)]