215272260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{170851}}^1$

素因数の和:170873

約数の個数: 72

約数和(自身を含む): 746281536

約数和(自身を除く): 531009276

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 170851, 341702, 512553, 683404, 854255, 1025106, 1195957, 1537659, 1708510, 2050212, 2391914, 2562765, 3075318, 3417020, 3587871, 4783828, 5125530, 5979785, 6150636, 7175742, 7688295, 10251060, 10763613, 11959570, 14351484, 15376590, 17939355, 21527226, 23919140, 30753180, 35878710, 43054452, 53818065, 71757420, 107636130, 215272260]

約数ペア:

[(1, 215272260), (2, 107636130), (3, 71757420), (4, 53818065), (5, 43054452), (6, 35878710), (7, 30753180), (9, 23919140), (10, 21527226), (12, 17939355), (14, 15376590), (15, 14351484), (18, 11959570), (20, 10763613), (21, 10251060), (28, 7688295), (30, 7175742), (35, 6150636), (36, 5979785), (42, 5125530), (45, 4783828), (60, 3587871), (63, 3417020), (70, 3075318), (84, 2562765), (90, 2391914), (105, 2050212), (126, 1708510), (140, 1537659), (180, 1195957), (210, 1025106), (252, 854255), (315, 683404), (420, 512553), (630, 341702), (1260, 170851)]