1881780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 5349120

約数和(自身を除く): 3467340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 397, 474, 790, 794, 948, 1185, 1191, 1580, 1588, 1985, 2370, 2382, 3970, 4740, 4764, 5955, 7940, 11910, 23820, 31363, 62726, 94089, 125452, 156815, 188178, 313630, 376356, 470445, 627260, 940890, 1881780]

約数ペア:

[(1, 1881780), (2, 940890), (3, 627260), (4, 470445), (5, 376356), (6, 313630), (10, 188178), (12, 156815), (15, 125452), (20, 94089), (30, 62726), (60, 31363), (79, 23820), (158, 11910), (237, 7940), (316, 5955), (395, 4764), (397, 4740), (474, 3970), (790, 2382), (794, 2370), (948, 1985), (1185, 1588), (1191, 1580)]