256806180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4363}}^1$

素因数の和:4490

約数の個数: 96

約数和(自身を含む): 806467200

約数和(自身を除く): 549661020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 109, 135, 180, 218, 270, 327, 436, 540, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 2943, 3270, 3924, 4363, 4905, 5886, 6540, 8726, 9810, 11772, 13089, 14715, 17452, 19620, 21815, 26178, 29430, 39267, 43630, 52356, 58860, 65445, 78534, 87260, 117801, 130890, 157068, 196335, 235602, 261780, 392670, 471204, 475567, 589005, 785340, 951134, 1178010, 1426701, 1902268, 2356020, 2377835, 2853402, 4280103, 4755670, 5706804, 7133505, 8560206, 9511340, 12840309, 14267010, 17120412, 21400515, 25680618, 28534020, 42801030, 51361236, 64201545, 85602060, 128403090, 256806180]

約数ペア:

[(1, 256806180), (2, 128403090), (3, 85602060), (4, 64201545), (5, 51361236), (6, 42801030), (9, 28534020), (10, 25680618), (12, 21400515), (15, 17120412), (18, 14267010), (20, 12840309), (27, 9511340), (30, 8560206), (36, 7133505), (45, 5706804), (54, 4755670), (60, 4280103), (90, 2853402), (108, 2377835), (109, 2356020), (135, 1902268), (180, 1426701), (218, 1178010), (270, 951134), (327, 785340), (436, 589005), (540, 475567), (545, 471204), (654, 392670), (981, 261780), (1090, 235602), (1308, 196335), (1635, 157068), (1962, 130890), (2180, 117801), (2943, 87260), (3270, 78534), (3924, 65445), (4363, 58860), (4905, 52356), (5886, 43630), (6540, 39267), (8726, 29430), (9810, 26178), (11772, 21815), (13089, 19620), (14715, 17452)]