81301920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{24197}}^1$

素因数の和:24222

約数の個数: 96

約数和(自身を含む): 292699008

約数和(自身を除く): 211397088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 24197, 48394, 72591, 96788, 120985, 145182, 169379, 193576, 241970, 290364, 338758, 362955, 387152, 483940, 508137, 580728, 677516, 725910, 774304, 846895, 967880, 1016274, 1161456, 1355032, 1451820, 1693790, 1935760, 2032548, 2322912, 2540685, 2710064, 2903640, 3387580, 3871520, 4065096, 5081370, 5420128, 5807280, 6775160, 8130192, 10162740, 11614560, 13550320, 16260384, 20325480, 27100640, 40650960, 81301920]

約数ペア:

[(1, 81301920), (2, 40650960), (3, 27100640), (4, 20325480), (5, 16260384), (6, 13550320), (7, 11614560), (8, 10162740), (10, 8130192), (12, 6775160), (14, 5807280), (15, 5420128), (16, 5081370), (20, 4065096), (21, 3871520), (24, 3387580), (28, 2903640), (30, 2710064), (32, 2540685), (35, 2322912), (40, 2032548), (42, 1935760), (48, 1693790), (56, 1451820), (60, 1355032), (70, 1161456), (80, 1016274), (84, 967880), (96, 846895), (105, 774304), (112, 725910), (120, 677516), (140, 580728), (160, 508137), (168, 483940), (210, 387152), (224, 362955), (240, 338758), (280, 290364), (336, 241970), (420, 193576), (480, 169379), (560, 145182), (672, 120985), (840, 96788), (1120, 72591), (1680, 48394), (3360, 24197)]