71222220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{131893}}^1$

素因数の和:131911

約数の個数: 48

約数和(自身を含む): 221581920

約数和(自身を除く): 150359700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 131893, 263786, 395679, 527572, 659465, 791358, 1187037, 1318930, 1582716, 1978395, 2374074, 2637860, 3561111, 3956790, 4748148, 5935185, 7122222, 7913580, 11870370, 14244444, 17805555, 23740740, 35611110, 71222220]

約数ペア:

[(1, 71222220), (2, 35611110), (3, 23740740), (4, 17805555), (5, 14244444), (6, 11870370), (9, 7913580), (10, 7122222), (12, 5935185), (15, 4748148), (18, 3956790), (20, 3561111), (27, 2637860), (30, 2374074), (36, 1978395), (45, 1582716), (54, 1318930), (60, 1187037), (90, 791358), (108, 659465), (135, 527572), (180, 395679), (270, 263786), (540, 131893)]