312257440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{127}}^2$

素因数の和:291

約数の個数: 108

約数和(自身を含む): 817304418

約数和(自身を除く): 505046978

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 127, 160, 176, 220, 242, 254, 352, 440, 484, 508, 605, 635, 880, 968, 1016, 1210, 1270, 1397, 1760, 1936, 2032, 2420, 2540, 2794, 3872, 4064, 4840, 5080, 5588, 6985, 9680, 10160, 11176, 13970, 15367, 16129, 19360, 20320, 22352, 27940, 30734, 32258, 44704, 55880, 61468, 64516, 76835, 80645, 111760, 122936, 129032, 153670, 161290, 177419, 223520, 245872, 258064, 307340, 322580, 354838, 491744, 516128, 614680, 645160, 709676, 887095, 1229360, 1290320, 1419352, 1774190, 1951609, 2458720, 2580640, 2838704, 3548380, 3903218, 5677408, 7096760, 7806436, 9758045, 14193520, 15612872, 19516090, 28387040, 31225744, 39032180, 62451488, 78064360, 156128720, 312257440]

約数ペア:

[(1, 312257440), (2, 156128720), (4, 78064360), (5, 62451488), (8, 39032180), (10, 31225744), (11, 28387040), (16, 19516090), (20, 15612872), (22, 14193520), (32, 9758045), (40, 7806436), (44, 7096760), (55, 5677408), (80, 3903218), (88, 3548380), (110, 2838704), (121, 2580640), (127, 2458720), (160, 1951609), (176, 1774190), (220, 1419352), (242, 1290320), (254, 1229360), (352, 887095), (440, 709676), (484, 645160), (508, 614680), (605, 516128), (635, 491744), (880, 354838), (968, 322580), (1016, 307340), (1210, 258064), (1270, 245872), (1397, 223520), (1760, 177419), (1936, 161290), (2032, 153670), (2420, 129032), (2540, 122936), (2794, 111760), (3872, 80645), (4064, 76835), (4840, 64516), (5080, 61468), (5588, 55880), (6985, 44704), (9680, 32258), (10160, 30734), (11176, 27940), (13970, 22352), (15367, 20320), (16129, 19360)]