68880210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1361}}^1$

素因数の和:1619

約数の個数: 64

約数和(自身を含む): 189851904

約数和(自身を除く): 120971694

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 241, 482, 723, 1205, 1361, 1446, 1687, 2410, 2722, 3374, 3615, 4083, 5061, 6805, 7230, 8166, 8435, 9527, 10122, 13610, 16870, 19054, 20415, 25305, 28581, 40830, 47635, 50610, 57162, 95270, 142905, 285810, 328001, 656002, 984003, 1640005, 1968006, 2296007, 3280010, 4592014, 4920015, 6888021, 9840030, 11480035, 13776042, 22960070, 34440105, 68880210]

約数ペア:

[(1, 68880210), (2, 34440105), (3, 22960070), (5, 13776042), (6, 11480035), (7, 9840030), (10, 6888021), (14, 4920015), (15, 4592014), (21, 3280010), (30, 2296007), (35, 1968006), (42, 1640005), (70, 984003), (105, 656002), (210, 328001), (241, 285810), (482, 142905), (723, 95270), (1205, 57162), (1361, 50610), (1446, 47635), (1687, 40830), (2410, 28581), (2722, 25305), (3374, 20415), (3615, 19054), (4083, 16870), (5061, 13610), (6805, 10122), (7230, 9527), (8166, 8435)]