80827380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2351}}^1$

素因数の和:2557

約数の個数: 72

約数和(自身を含む): 246564864

約数和(自身を除く): 165737484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 191, 382, 573, 764, 955, 1146, 1719, 1910, 2292, 2351, 2865, 3438, 3820, 4702, 5730, 6876, 7053, 8595, 9404, 11460, 11755, 14106, 17190, 21159, 23510, 28212, 34380, 35265, 42318, 47020, 70530, 84636, 105795, 141060, 211590, 423180, 449041, 898082, 1347123, 1796164, 2245205, 2694246, 4041369, 4490410, 5388492, 6735615, 8082738, 8980820, 13471230, 16165476, 20206845, 26942460, 40413690, 80827380]

約数ペア:

[(1, 80827380), (2, 40413690), (3, 26942460), (4, 20206845), (5, 16165476), (6, 13471230), (9, 8980820), (10, 8082738), (12, 6735615), (15, 5388492), (18, 4490410), (20, 4041369), (30, 2694246), (36, 2245205), (45, 1796164), (60, 1347123), (90, 898082), (180, 449041), (191, 423180), (382, 211590), (573, 141060), (764, 105795), (955, 84636), (1146, 70530), (1719, 47020), (1910, 42318), (2292, 35265), (2351, 34380), (2865, 28212), (3438, 23510), (3820, 21159), (4702, 17190), (5730, 14106), (6876, 11755), (7053, 11460), (8595, 9404)]