640865368

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:569

約数の個数: 96

約数和(自身を含む): 1437166080

約数和(自身を除く): 796300712

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 121, 127, 143, 242, 254, 286, 401, 484, 508, 572, 802, 968, 1016, 1144, 1397, 1573, 1604, 1651, 2794, 3146, 3208, 3302, 4411, 5213, 5588, 6292, 6604, 8822, 10426, 11176, 12584, 13208, 15367, 17644, 18161, 20852, 30734, 35288, 36322, 41704, 48521, 50927, 57343, 61468, 72644, 97042, 101854, 114686, 122936, 145288, 194084, 199771, 203708, 229372, 388168, 399542, 407416, 458744, 560197, 630773, 662051, 799084, 1120394, 1261546, 1324102, 1598168, 2240788, 2523092, 2648204, 4481576, 5046184, 5296408, 6162167, 7282561, 12324334, 14565122, 24648668, 29130244, 49297336, 58260488, 80108171, 160216342, 320432684, 640865368]

約数ペア:

[(1, 640865368), (2, 320432684), (4, 160216342), (8, 80108171), (11, 58260488), (13, 49297336), (22, 29130244), (26, 24648668), (44, 14565122), (52, 12324334), (88, 7282561), (104, 6162167), (121, 5296408), (127, 5046184), (143, 4481576), (242, 2648204), (254, 2523092), (286, 2240788), (401, 1598168), (484, 1324102), (508, 1261546), (572, 1120394), (802, 799084), (968, 662051), (1016, 630773), (1144, 560197), (1397, 458744), (1573, 407416), (1604, 399542), (1651, 388168), (2794, 229372), (3146, 203708), (3208, 199771), (3302, 194084), (4411, 145288), (5213, 122936), (5588, 114686), (6292, 101854), (6604, 97042), (8822, 72644), (10426, 61468), (11176, 57343), (12584, 50927), (13208, 48521), (15367, 41704), (17644, 36322), (18161, 35288), (20852, 30734)]