19785130440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{330413}}^1$

素因数の和:330926

約数の個数: 64

約数和(自身を含む): 59474520000

約数和(自身を除く): 39689389560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 499, 998, 1497, 1996, 2495, 2994, 3992, 4990, 5988, 7485, 9980, 11976, 14970, 19960, 29940, 59880, 330413, 660826, 991239, 1321652, 1652065, 1982478, 2643304, 3304130, 3964956, 4956195, 6608260, 7929912, 9912390, 13216520, 19824780, 39649560, 164876087, 329752174, 494628261, 659504348, 824380435, 989256522, 1319008696, 1648760870, 1978513044, 2473141305, 3297521740, 3957026088, 4946282610, 6595043480, 9892565220, 19785130440]

約数ペア:

[(1, 19785130440), (2, 9892565220), (3, 6595043480), (4, 4946282610), (5, 3957026088), (6, 3297521740), (8, 2473141305), (10, 1978513044), (12, 1648760870), (15, 1319008696), (20, 989256522), (24, 824380435), (30, 659504348), (40, 494628261), (60, 329752174), (120, 164876087), (499, 39649560), (998, 19824780), (1497, 13216520), (1996, 9912390), (2495, 7929912), (2994, 6608260), (3992, 4956195), (4990, 3964956), (5988, 3304130), (7485, 2643304), (9980, 1982478), (11976, 1652065), (14970, 1321652), (19960, 991239), (29940, 660826), (59880, 330413)]