156128720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{127}}^2$

素因数の和:289

約数の個数: 90

約数和(自身を含む): 402165666

約数和(自身を除く): 246036946

約数列:

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

約数ペア:

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