213215280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{888397}}^1$

素因数の和:888413

約数の個数: 40

約数和(自身を含む): 660968112

約数和(自身を除く): 447752832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 888397, 1776794, 2665191, 3553588, 4441985, 5330382, 7107176, 8883970, 10660764, 13325955, 14214352, 17767940, 21321528, 26651910, 35535880, 42643056, 53303820, 71071760, 106607640, 213215280]

約数ペア:

[(1, 213215280), (2, 106607640), (3, 71071760), (4, 53303820), (5, 42643056), (6, 35535880), (8, 26651910), (10, 21321528), (12, 17767940), (15, 14214352), (16, 13325955), (20, 10660764), (24, 8883970), (30, 7107176), (40, 5330382), (48, 4441985), (60, 3553588), (80, 2665191), (120, 1776794), (240, 888397)]