72906960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43397}}^1$

素因数の和:43420

約数の個数: 80

約数和(自身を含む): 258304896

約数和(自身を除く): 185397936

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 43397, 86794, 130191, 173588, 216985, 260382, 303779, 347176, 433970, 520764, 607558, 650955, 694352, 867940, 911337, 1041528, 1215116, 1301910, 1518895, 1735880, 1822674, 2083056, 2430232, 2603820, 3037790, 3471760, 3645348, 4556685, 4860464, 5207640, 6075580, 7290696, 9113370, 10415280, 12151160, 14581392, 18226740, 24302320, 36453480, 72906960]

約数ペア:

[(1, 72906960), (2, 36453480), (3, 24302320), (4, 18226740), (5, 14581392), (6, 12151160), (7, 10415280), (8, 9113370), (10, 7290696), (12, 6075580), (14, 5207640), (15, 4860464), (16, 4556685), (20, 3645348), (21, 3471760), (24, 3037790), (28, 2603820), (30, 2430232), (35, 2083056), (40, 1822674), (42, 1735880), (48, 1518895), (56, 1301910), (60, 1215116), (70, 1041528), (80, 911337), (84, 867940), (105, 694352), (112, 650955), (120, 607558), (140, 520764), (168, 433970), (210, 347176), (240, 303779), (280, 260382), (336, 216985), (420, 173588), (560, 130191), (840, 86794), (1680, 43397)]