177211620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20947}}^1$

素因数の和:21009

約数の個数: 72

約数和(自身を含む): 549005184

約数和(自身を除く): 371793564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 8460, 20947, 41894, 62841, 83788, 104735, 125682, 188523, 209470, 251364, 314205, 377046, 418940, 628410, 754092, 942615, 984509, 1256820, 1885230, 1969018, 2953527, 3770460, 3938036, 4922545, 5907054, 8860581, 9845090, 11814108, 14767635, 17721162, 19690180, 29535270, 35442324, 44302905, 59070540, 88605810, 177211620]

約数ペア:

[(1, 177211620), (2, 88605810), (3, 59070540), (4, 44302905), (5, 35442324), (6, 29535270), (9, 19690180), (10, 17721162), (12, 14767635), (15, 11814108), (18, 9845090), (20, 8860581), (30, 5907054), (36, 4922545), (45, 3938036), (47, 3770460), (60, 2953527), (90, 1969018), (94, 1885230), (141, 1256820), (180, 984509), (188, 942615), (235, 754092), (282, 628410), (423, 418940), (470, 377046), (564, 314205), (705, 251364), (846, 209470), (940, 188523), (1410, 125682), (1692, 104735), (2115, 83788), (2820, 62841), (4230, 41894), (8460, 20947)]