1430237720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{4217}}^1$

素因数の和:4428

約数の個数: 64

約数和(自身を含む): 3295101600

約数和(自身を除く): 1864863880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 139, 244, 278, 305, 488, 556, 610, 695, 1112, 1220, 1390, 2440, 2780, 4217, 5560, 8434, 8479, 16868, 16958, 21085, 33736, 33916, 42170, 42395, 67832, 84340, 84790, 168680, 169580, 257237, 339160, 514474, 586163, 1028948, 1172326, 1286185, 2057896, 2344652, 2572370, 2930815, 4689304, 5144740, 5861630, 10289480, 11723260, 23446520, 35755943, 71511886, 143023772, 178779715, 286047544, 357559430, 715118860, 1430237720]

約数ペア:

[(1, 1430237720), (2, 715118860), (4, 357559430), (5, 286047544), (8, 178779715), (10, 143023772), (20, 71511886), (40, 35755943), (61, 23446520), (122, 11723260), (139, 10289480), (244, 5861630), (278, 5144740), (305, 4689304), (488, 2930815), (556, 2572370), (610, 2344652), (695, 2057896), (1112, 1286185), (1220, 1172326), (1390, 1028948), (2440, 586163), (2780, 514474), (4217, 339160), (5560, 257237), (8434, 169580), (8479, 168680), (16868, 84790), (16958, 84340), (21085, 67832), (33736, 42395), (33916, 42170)]