159725360

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:418

約数の個数: 80

約数和(自身を含む): 380928000

約数和(自身を除く): 221202640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 127, 158, 199, 254, 316, 395, 398, 508, 632, 635, 790, 796, 995, 1016, 1264, 1270, 1580, 1592, 1990, 2032, 2540, 3160, 3184, 3980, 5080, 6320, 7960, 10033, 10160, 15721, 15920, 20066, 25273, 31442, 40132, 50165, 50546, 62884, 78605, 80264, 100330, 101092, 125768, 126365, 157210, 160528, 200660, 202184, 251536, 252730, 314420, 401320, 404368, 505460, 628840, 802640, 1010920, 1257680, 1996567, 2021840, 3993134, 7986268, 9982835, 15972536, 19965670, 31945072, 39931340, 79862680, 159725360]

約数ペア:

[(1, 159725360), (2, 79862680), (4, 39931340), (5, 31945072), (8, 19965670), (10, 15972536), (16, 9982835), (20, 7986268), (40, 3993134), (79, 2021840), (80, 1996567), (127, 1257680), (158, 1010920), (199, 802640), (254, 628840), (316, 505460), (395, 404368), (398, 401320), (508, 314420), (632, 252730), (635, 251536), (790, 202184), (796, 200660), (995, 160528), (1016, 157210), (1264, 126365), (1270, 125768), (1580, 101092), (1592, 100330), (1990, 80264), (2032, 78605), (2540, 62884), (3160, 50546), (3184, 50165), (3980, 40132), (5080, 31442), (6320, 25273), (7960, 20066), (10033, 15920), (10160, 15721)]