137757040

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 329978880

約数和(自身を除く): 192221840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 79, 80, 142, 158, 284, 307, 316, 355, 395, 568, 614, 632, 710, 790, 1136, 1228, 1264, 1420, 1535, 1580, 2456, 2840, 3070, 3160, 4912, 5609, 5680, 6140, 6320, 11218, 12280, 21797, 22436, 24253, 24560, 28045, 43594, 44872, 48506, 56090, 87188, 89744, 97012, 108985, 112180, 121265, 174376, 194024, 217970, 224360, 242530, 348752, 388048, 435940, 448720, 485060, 871880, 970120, 1721963, 1743760, 1940240, 3443926, 6887852, 8609815, 13775704, 17219630, 27551408, 34439260, 68878520, 137757040]

約数ペア:

[(1, 137757040), (2, 68878520), (4, 34439260), (5, 27551408), (8, 17219630), (10, 13775704), (16, 8609815), (20, 6887852), (40, 3443926), (71, 1940240), (79, 1743760), (80, 1721963), (142, 970120), (158, 871880), (284, 485060), (307, 448720), (316, 435940), (355, 388048), (395, 348752), (568, 242530), (614, 224360), (632, 217970), (710, 194024), (790, 174376), (1136, 121265), (1228, 112180), (1264, 108985), (1420, 97012), (1535, 89744), (1580, 87188), (2456, 56090), (2840, 48506), (3070, 44872), (3160, 43594), (4912, 28045), (5609, 24560), (5680, 24253), (6140, 22436), (6320, 21797), (11218, 12280)]