215511160

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{467}}^1$

素因数の和:700

約数の個数: 64

約数和(自身を含む): 495331200

約数和(自身を除く): 279820040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 139, 166, 278, 332, 415, 467, 556, 664, 695, 830, 934, 1112, 1390, 1660, 1868, 2335, 2780, 3320, 3736, 4670, 5560, 9340, 11537, 18680, 23074, 38761, 46148, 57685, 64913, 77522, 92296, 115370, 129826, 155044, 193805, 230740, 259652, 310088, 324565, 387610, 461480, 519304, 649130, 775220, 1298260, 1550440, 2596520, 5387779, 10775558, 21551116, 26938895, 43102232, 53877790, 107755580, 215511160]

約数ペア:

[(1, 215511160), (2, 107755580), (4, 53877790), (5, 43102232), (8, 26938895), (10, 21551116), (20, 10775558), (40, 5387779), (83, 2596520), (139, 1550440), (166, 1298260), (278, 775220), (332, 649130), (415, 519304), (467, 461480), (556, 387610), (664, 324565), (695, 310088), (830, 259652), (934, 230740), (1112, 193805), (1390, 155044), (1660, 129826), (1868, 115370), (2335, 92296), (2780, 77522), (3320, 64913), (3736, 57685), (4670, 46148), (5560, 38761), (9340, 23074), (11537, 18680)]