256346960

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1097}}^1$

素因数の和:1260

約数の個数: 80

約数和(自身を含む): 627388416

約数和(自身を除く): 371041456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 127, 184, 230, 254, 368, 460, 508, 635, 920, 1016, 1097, 1270, 1840, 2032, 2194, 2540, 2921, 4388, 5080, 5485, 5842, 8776, 10160, 10970, 11684, 14605, 17552, 21940, 23368, 25231, 29210, 43880, 46736, 50462, 58420, 87760, 100924, 116840, 126155, 139319, 201848, 233680, 252310, 278638, 403696, 504620, 557276, 696595, 1009240, 1114552, 1393190, 2018480, 2229104, 2786380, 3204337, 5572760, 6408674, 11145520, 12817348, 16021685, 25634696, 32043370, 51269392, 64086740, 128173480, 256346960]

約数ペア:

[(1, 256346960), (2, 128173480), (4, 64086740), (5, 51269392), (8, 32043370), (10, 25634696), (16, 16021685), (20, 12817348), (23, 11145520), (40, 6408674), (46, 5572760), (80, 3204337), (92, 2786380), (115, 2229104), (127, 2018480), (184, 1393190), (230, 1114552), (254, 1009240), (368, 696595), (460, 557276), (508, 504620), (635, 403696), (920, 278638), (1016, 252310), (1097, 233680), (1270, 201848), (1840, 139319), (2032, 126155), (2194, 116840), (2540, 100924), (2921, 87760), (4388, 58420), (5080, 50462), (5485, 46736), (5842, 43880), (8776, 29210), (10160, 25231), (10970, 23368), (11684, 21940), (14605, 17552)]