2015574640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^2\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:647

約数の個数: 120

約数和(自身を含む): 4959401328

約数和(自身を除く): 2943826688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 97, 115, 184, 194, 230, 368, 388, 460, 485, 491, 529, 776, 920, 970, 982, 1058, 1552, 1840, 1940, 1964, 2116, 2231, 2455, 2645, 3880, 3928, 4232, 4462, 4910, 5290, 7760, 7856, 8464, 8924, 9820, 10580, 11155, 11293, 17848, 19640, 21160, 22310, 22586, 35696, 39280, 42320, 44620, 45172, 47627, 51313, 56465, 89240, 90344, 95254, 102626, 112930, 178480, 180688, 190508, 205252, 225860, 238135, 256565, 259739, 381016, 410504, 451720, 476270, 513130, 519478, 762032, 821008, 903440, 952540, 1026260, 1038956, 1095421, 1298695, 1905080, 2052520, 2077912, 2190842, 2597390, 3810160, 4105040, 4155824, 4381684, 5194780, 5477105, 8763368, 10389560, 10954210, 17526736, 20779120, 21908420, 25194683, 43816840, 50389366, 87633680, 100778732, 125973415, 201557464, 251946830, 403114928, 503893660, 1007787320, 2015574640]

約数ペア:

[(1, 2015574640), (2, 1007787320), (4, 503893660), (5, 403114928), (8, 251946830), (10, 201557464), (16, 125973415), (20, 100778732), (23, 87633680), (40, 50389366), (46, 43816840), (80, 25194683), (92, 21908420), (97, 20779120), (115, 17526736), (184, 10954210), (194, 10389560), (230, 8763368), (368, 5477105), (388, 5194780), (460, 4381684), (485, 4155824), (491, 4105040), (529, 3810160), (776, 2597390), (920, 2190842), (970, 2077912), (982, 2052520), (1058, 1905080), (1552, 1298695), (1840, 1095421), (1940, 1038956), (1964, 1026260), (2116, 952540), (2231, 903440), (2455, 821008), (2645, 762032), (3880, 519478), (3928, 513130), (4232, 476270), (4462, 451720), (4910, 410504), (5290, 381016), (7760, 259739), (7856, 256565), (8464, 238135), (8924, 225860), (9820, 205252), (10580, 190508), (11155, 180688), (11293, 178480), (17848, 112930), (19640, 102626), (21160, 95254), (22310, 90344), (22586, 89240), (35696, 56465), (39280, 51313), (42320, 47627), (44620, 45172)]