2635440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 8332800

約数和(自身を除く): 5697360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 139, 158, 237, 240, 278, 316, 395, 417, 474, 556, 632, 695, 790, 834, 948, 1112, 1185, 1264, 1390, 1580, 1668, 1896, 2085, 2224, 2370, 2780, 3160, 3336, 3792, 4170, 4740, 5560, 6320, 6672, 8340, 9480, 10981, 11120, 16680, 18960, 21962, 32943, 33360, 43924, 54905, 65886, 87848, 109810, 131772, 164715, 175696, 219620, 263544, 329430, 439240, 527088, 658860, 878480, 1317720, 2635440]

約数ペア:

[(1, 2635440), (2, 1317720), (3, 878480), (4, 658860), (5, 527088), (6, 439240), (8, 329430), (10, 263544), (12, 219620), (15, 175696), (16, 164715), (20, 131772), (24, 109810), (30, 87848), (40, 65886), (48, 54905), (60, 43924), (79, 33360), (80, 32943), (120, 21962), (139, 18960), (158, 16680), (237, 11120), (240, 10981), (278, 9480), (316, 8340), (395, 6672), (417, 6320), (474, 5560), (556, 4740), (632, 4170), (695, 3792), (790, 3336), (834, 3160), (948, 2780), (1112, 2370), (1185, 2224), (1264, 2085), (1390, 1896), (1580, 1668)]