213503280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{889597}}^1$

素因数の和:889613

約数の個数: 40

約数和(自身を含む): 661860912

約数和(自身を除く): 448357632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 889597, 1779194, 2668791, 3558388, 4447985, 5337582, 7116776, 8895970, 10675164, 13343955, 14233552, 17791940, 21350328, 26687910, 35583880, 42700656, 53375820, 71167760, 106751640, 213503280]

約数ペア:

[(1, 213503280), (2, 106751640), (3, 71167760), (4, 53375820), (5, 42700656), (6, 35583880), (8, 26687910), (10, 21350328), (12, 17791940), (15, 14233552), (16, 13343955), (20, 10675164), (24, 8895970), (30, 7116776), (40, 5337582), (48, 4447985), (60, 3558388), (80, 2668791), (120, 1779194), (240, 889597)]