65143960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1181}}^1$

素因数の和:1396

約数の個数: 64

約数和(自身を含む): 168505920

約数和(自身を除く): 103361960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1181, 1379, 1576, 1970, 2362, 2758, 3940, 4724, 5516, 5905, 6895, 7880, 8267, 9448, 11032, 11810, 13790, 16534, 23620, 27580, 33068, 41335, 47240, 55160, 66136, 82670, 165340, 232657, 330680, 465314, 930628, 1163285, 1628599, 1861256, 2326570, 3257198, 4653140, 6514396, 8142995, 9306280, 13028792, 16285990, 32571980, 65143960]

約数ペア:

[(1, 65143960), (2, 32571980), (4, 16285990), (5, 13028792), (7, 9306280), (8, 8142995), (10, 6514396), (14, 4653140), (20, 3257198), (28, 2326570), (35, 1861256), (40, 1628599), (56, 1163285), (70, 930628), (140, 465314), (197, 330680), (280, 232657), (394, 165340), (788, 82670), (985, 66136), (1181, 55160), (1379, 47240), (1576, 41335), (1970, 33068), (2362, 27580), (2758, 23620), (3940, 16534), (4724, 13790), (5516, 11810), (5905, 11032), (6895, 9448), (7880, 8267)]