128946960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2267}}^1$

素因数の和:2365

約数の個数: 120

約数和(自身を含む): 438721920

約数和(自身を除く): 309774960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 144, 158, 180, 237, 240, 316, 360, 395, 474, 632, 711, 720, 790, 948, 1185, 1264, 1422, 1580, 1896, 2267, 2370, 2844, 3160, 3555, 3792, 4534, 4740, 5688, 6320, 6801, 7110, 9068, 9480, 11335, 11376, 13602, 14220, 18136, 18960, 20403, 22670, 27204, 28440, 34005, 36272, 40806, 45340, 54408, 56880, 68010, 81612, 90680, 102015, 108816, 136020, 163224, 179093, 181360, 204030, 272040, 326448, 358186, 408060, 537279, 544080, 716372, 816120, 895465, 1074558, 1432744, 1611837, 1632240, 1790930, 2149116, 2686395, 2865488, 3223674, 3581860, 4298232, 5372790, 6447348, 7163720, 8059185, 8596464, 10745580, 12894696, 14327440, 16118370, 21491160, 25789392, 32236740, 42982320, 64473480, 128946960]

約数ペア:

[(1, 128946960), (2, 64473480), (3, 42982320), (4, 32236740), (5, 25789392), (6, 21491160), (8, 16118370), (9, 14327440), (10, 12894696), (12, 10745580), (15, 8596464), (16, 8059185), (18, 7163720), (20, 6447348), (24, 5372790), (30, 4298232), (36, 3581860), (40, 3223674), (45, 2865488), (48, 2686395), (60, 2149116), (72, 1790930), (79, 1632240), (80, 1611837), (90, 1432744), (120, 1074558), (144, 895465), (158, 816120), (180, 716372), (237, 544080), (240, 537279), (316, 408060), (360, 358186), (395, 326448), (474, 272040), (632, 204030), (711, 181360), (720, 179093), (790, 163224), (948, 136020), (1185, 108816), (1264, 102015), (1422, 90680), (1580, 81612), (1896, 68010), (2267, 56880), (2370, 54408), (2844, 45340), (3160, 40806), (3555, 36272), (3792, 34005), (4534, 28440), (4740, 27204), (5688, 22670), (6320, 20403), (6801, 18960), (7110, 18136), (9068, 14220), (9480, 13602), (11335, 11376)]