20120123112

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{88423}}^1$

素因数の和:88950

約数の個数: 64

約数和(自身を含む): 53054400000

約数和(自身を除く): 32934276888

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456, 499, 998, 1497, 1996, 2994, 3992, 5988, 9481, 11976, 18962, 28443, 37924, 56886, 75848, 88423, 113772, 176846, 227544, 265269, 353692, 530538, 707384, 1061076, 1680037, 2122152, 3360074, 5040111, 6720148, 10080222, 13440296, 20160444, 40320888, 44123077, 88246154, 132369231, 176492308, 264738462, 352984616, 529476924, 838338463, 1058953848, 1676676926, 2515015389, 3353353852, 5030030778, 6706707704, 10060061556, 20120123112]

約数ペア:

[(1, 20120123112), (2, 10060061556), (3, 6706707704), (4, 5030030778), (6, 3353353852), (8, 2515015389), (12, 1676676926), (19, 1058953848), (24, 838338463), (38, 529476924), (57, 352984616), (76, 264738462), (114, 176492308), (152, 132369231), (228, 88246154), (456, 44123077), (499, 40320888), (998, 20160444), (1497, 13440296), (1996, 10080222), (2994, 6720148), (3992, 5040111), (5988, 3360074), (9481, 2122152), (11976, 1680037), (18962, 1061076), (28443, 707384), (37924, 530538), (56886, 353692), (75848, 265269), (88423, 227544), (113772, 176846)]