201345680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1499}}^1$

素因数の和:1608

約数の個数: 80

約数和(自身を含む): 495504000

約数和(自身を除く): 294158320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 73, 80, 92, 115, 146, 184, 230, 292, 365, 368, 460, 584, 730, 920, 1168, 1460, 1499, 1679, 1840, 2920, 2998, 3358, 5840, 5996, 6716, 7495, 8395, 11992, 13432, 14990, 16790, 23984, 26864, 29980, 33580, 34477, 59960, 67160, 68954, 109427, 119920, 134320, 137908, 172385, 218854, 275816, 344770, 437708, 547135, 551632, 689540, 875416, 1094270, 1379080, 1750832, 2188540, 2516821, 2758160, 4377080, 5033642, 8754160, 10067284, 12584105, 20134568, 25168210, 40269136, 50336420, 100672840, 201345680]

約数ペア:

[(1, 201345680), (2, 100672840), (4, 50336420), (5, 40269136), (8, 25168210), (10, 20134568), (16, 12584105), (20, 10067284), (23, 8754160), (40, 5033642), (46, 4377080), (73, 2758160), (80, 2516821), (92, 2188540), (115, 1750832), (146, 1379080), (184, 1094270), (230, 875416), (292, 689540), (365, 551632), (368, 547135), (460, 437708), (584, 344770), (730, 275816), (920, 218854), (1168, 172385), (1460, 137908), (1499, 134320), (1679, 119920), (1840, 109427), (2920, 68954), (2998, 67160), (3358, 59960), (5840, 34477), (5996, 33580), (6716, 29980), (7495, 26864), (8395, 23984), (11992, 16790), (13432, 14990)]