157972760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:417

約数の個数: 96

約数和(自身を含む): 395297280

約数和(自身を除く): 237324520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 127, 220, 242, 254, 257, 440, 484, 508, 514, 605, 635, 968, 1016, 1028, 1210, 1270, 1285, 1397, 2056, 2420, 2540, 2570, 2794, 2827, 4840, 5080, 5140, 5588, 5654, 6985, 10280, 11176, 11308, 13970, 14135, 15367, 22616, 27940, 28270, 30734, 31097, 32639, 55880, 56540, 61468, 62194, 65278, 76835, 113080, 122936, 124388, 130556, 153670, 155485, 163195, 248776, 261112, 307340, 310970, 326390, 359029, 614680, 621940, 652780, 718058, 1243880, 1305560, 1436116, 1795145, 2872232, 3590290, 3949319, 7180580, 7898638, 14361160, 15797276, 19746595, 31594552, 39493190, 78986380, 157972760]

約数ペア:

[(1, 157972760), (2, 78986380), (4, 39493190), (5, 31594552), (8, 19746595), (10, 15797276), (11, 14361160), (20, 7898638), (22, 7180580), (40, 3949319), (44, 3590290), (55, 2872232), (88, 1795145), (110, 1436116), (121, 1305560), (127, 1243880), (220, 718058), (242, 652780), (254, 621940), (257, 614680), (440, 359029), (484, 326390), (508, 310970), (514, 307340), (605, 261112), (635, 248776), (968, 163195), (1016, 155485), (1028, 153670), (1210, 130556), (1270, 124388), (1285, 122936), (1397, 113080), (2056, 76835), (2420, 65278), (2540, 62194), (2570, 61468), (2794, 56540), (2827, 55880), (4840, 32639), (5080, 31097), (5140, 30734), (5588, 28270), (5654, 27940), (6985, 22616), (10280, 15367), (11176, 14135), (11308, 13970)]