84412720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{491}}^1$

素因数の和:818

約数の個数: 80

約数和(自身を含む): 225485568

約数和(自身を除く): 141072848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 307, 491, 560, 614, 982, 1228, 1535, 1964, 2149, 2455, 2456, 3070, 3437, 3928, 4298, 4910, 4912, 6140, 6874, 7856, 8596, 9820, 10745, 12280, 13748, 17185, 17192, 19640, 21490, 24560, 27496, 34370, 34384, 39280, 42980, 54992, 68740, 85960, 137480, 150737, 171920, 274960, 301474, 602948, 753685, 1055159, 1205896, 1507370, 2110318, 2411792, 3014740, 4220636, 5275795, 6029480, 8441272, 10551590, 12058960, 16882544, 21103180, 42206360, 84412720]

約数ペア:

[(1, 84412720), (2, 42206360), (4, 21103180), (5, 16882544), (7, 12058960), (8, 10551590), (10, 8441272), (14, 6029480), (16, 5275795), (20, 4220636), (28, 3014740), (35, 2411792), (40, 2110318), (56, 1507370), (70, 1205896), (80, 1055159), (112, 753685), (140, 602948), (280, 301474), (307, 274960), (491, 171920), (560, 150737), (614, 137480), (982, 85960), (1228, 68740), (1535, 54992), (1964, 42980), (2149, 39280), (2455, 34384), (2456, 34370), (3070, 27496), (3437, 24560), (3928, 21490), (4298, 19640), (4910, 17192), (4912, 17185), (6140, 13748), (6874, 12280), (7856, 10745), (8596, 9820)]