207321280

素因数分解:

$2^6\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:294

約数の個数: 112

約数和(自身を含む): 512064000

約数和(自身を除く): 304742720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 79, 80, 118, 139, 158, 160, 236, 278, 295, 316, 320, 395, 472, 556, 590, 632, 695, 790, 944, 1112, 1180, 1264, 1390, 1580, 1888, 2224, 2360, 2528, 2780, 3160, 3776, 4448, 4661, 4720, 5056, 5560, 6320, 8201, 8896, 9322, 9440, 10981, 11120, 12640, 16402, 18644, 18880, 21962, 22240, 23305, 25280, 32804, 37288, 41005, 43924, 44480, 46610, 54905, 65608, 74576, 82010, 87848, 93220, 109810, 131216, 149152, 164020, 175696, 186440, 219620, 262432, 298304, 328040, 351392, 372880, 439240, 524864, 647879, 656080, 702784, 745760, 878480, 1295758, 1312160, 1491520, 1756960, 2591516, 2624320, 3239395, 3513920, 5183032, 6478790, 10366064, 12957580, 20732128, 25915160, 41464256, 51830320, 103660640, 207321280]

約数ペア:

[(1, 207321280), (2, 103660640), (4, 51830320), (5, 41464256), (8, 25915160), (10, 20732128), (16, 12957580), (20, 10366064), (32, 6478790), (40, 5183032), (59, 3513920), (64, 3239395), (79, 2624320), (80, 2591516), (118, 1756960), (139, 1491520), (158, 1312160), (160, 1295758), (236, 878480), (278, 745760), (295, 702784), (316, 656080), (320, 647879), (395, 524864), (472, 439240), (556, 372880), (590, 351392), (632, 328040), (695, 298304), (790, 262432), (944, 219620), (1112, 186440), (1180, 175696), (1264, 164020), (1390, 149152), (1580, 131216), (1888, 109810), (2224, 93220), (2360, 87848), (2528, 82010), (2780, 74576), (3160, 65608), (3776, 54905), (4448, 46610), (4661, 44480), (4720, 43924), (5056, 41005), (5560, 37288), (6320, 32804), (8201, 25280), (8896, 23305), (9322, 22240), (9440, 21962), (10981, 18880), (11120, 18644), (12640, 16402)]