2340805520

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1\times {\mathrm{811}}^1$

素因数の和:1264

約数の個数: 80

約数和(自身を含む): 5515688640

約数和(自身を除く): 3174883120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 331, 436, 545, 662, 811, 872, 1090, 1324, 1622, 1655, 1744, 2180, 2648, 3244, 3310, 4055, 4360, 5296, 6488, 6620, 8110, 8720, 12976, 13240, 16220, 26480, 32440, 36079, 64880, 72158, 88399, 144316, 176798, 180395, 268441, 288632, 353596, 360790, 441995, 536882, 577264, 707192, 721580, 883990, 1073764, 1342205, 1414384, 1443160, 1767980, 2147528, 2684410, 2886320, 3535960, 4295056, 5368820, 7071920, 10737640, 21475280, 29260069, 58520138, 117040276, 146300345, 234080552, 292600690, 468161104, 585201380, 1170402760, 2340805520]

約数ペア:

[(1, 2340805520), (2, 1170402760), (4, 585201380), (5, 468161104), (8, 292600690), (10, 234080552), (16, 146300345), (20, 117040276), (40, 58520138), (80, 29260069), (109, 21475280), (218, 10737640), (331, 7071920), (436, 5368820), (545, 4295056), (662, 3535960), (811, 2886320), (872, 2684410), (1090, 2147528), (1324, 1767980), (1622, 1443160), (1655, 1414384), (1744, 1342205), (2180, 1073764), (2648, 883990), (3244, 721580), (3310, 707192), (4055, 577264), (4360, 536882), (5296, 441995), (6488, 360790), (6620, 353596), (8110, 288632), (8720, 268441), (12976, 180395), (13240, 176798), (16220, 144316), (26480, 88399), (32440, 72158), (36079, 64880)]