129212280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{661}}^1$

素因数の和:862

約数の個数: 128

約数和(自身を含む): 433742400

約数和(自身を除く): 304530120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 181, 216, 270, 360, 362, 540, 543, 661, 724, 905, 1080, 1086, 1322, 1448, 1629, 1810, 1983, 2172, 2644, 2715, 3258, 3305, 3620, 3966, 4344, 4887, 5288, 5430, 5949, 6516, 6610, 7240, 7932, 8145, 9774, 9915, 10860, 11898, 13032, 13220, 15864, 16290, 17847, 19548, 19830, 21720, 23796, 24435, 26440, 29745, 32580, 35694, 39096, 39660, 47592, 48870, 59490, 65160, 71388, 79320, 89235, 97740, 118980, 119641, 142776, 178470, 195480, 237960, 239282, 356940, 358923, 478564, 598205, 713880, 717846, 957128, 1076769, 1196410, 1435692, 1794615, 2153538, 2392820, 2871384, 3230307, 3589230, 4307076, 4785640, 5383845, 6460614, 7178460, 8614152, 10767690, 12921228, 14356920, 16151535, 21535380, 25842456, 32303070, 43070760, 64606140, 129212280]

約数ペア:

[(1, 129212280), (2, 64606140), (3, 43070760), (4, 32303070), (5, 25842456), (6, 21535380), (8, 16151535), (9, 14356920), (10, 12921228), (12, 10767690), (15, 8614152), (18, 7178460), (20, 6460614), (24, 5383845), (27, 4785640), (30, 4307076), (36, 3589230), (40, 3230307), (45, 2871384), (54, 2392820), (60, 2153538), (72, 1794615), (90, 1435692), (108, 1196410), (120, 1076769), (135, 957128), (180, 717846), (181, 713880), (216, 598205), (270, 478564), (360, 358923), (362, 356940), (540, 239282), (543, 237960), (661, 195480), (724, 178470), (905, 142776), (1080, 119641), (1086, 118980), (1322, 97740), (1448, 89235), (1629, 79320), (1810, 71388), (1983, 65160), (2172, 59490), (2644, 48870), (2715, 47592), (3258, 39660), (3305, 39096), (3620, 35694), (3966, 32580), (4344, 29745), (4887, 26440), (5288, 24435), (5430, 23796), (5949, 21720), (6516, 19830), (6610, 19548), (7240, 17847), (7932, 16290), (8145, 15864), (9774, 13220), (9915, 13032), (10860, 11898)]