206107840

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:390

約数の個数: 112

約数和(自身を含む): 514990080

約数和(自身を除く): 308882240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 79, 80, 124, 155, 158, 160, 248, 263, 310, 316, 320, 395, 496, 526, 620, 632, 790, 992, 1052, 1240, 1264, 1315, 1580, 1984, 2104, 2449, 2480, 2528, 2630, 3160, 4208, 4898, 4960, 5056, 5260, 6320, 8153, 8416, 9796, 9920, 10520, 12245, 12640, 16306, 16832, 19592, 20777, 21040, 24490, 25280, 32612, 39184, 40765, 41554, 42080, 48980, 65224, 78368, 81530, 83108, 84160, 97960, 103885, 130448, 156736, 163060, 166216, 195920, 207770, 260896, 326120, 332432, 391840, 415540, 521792, 644087, 652240, 664864, 783680, 831080, 1288174, 1304480, 1329728, 1662160, 2576348, 2608960, 3220435, 3324320, 5152696, 6440870, 6648640, 10305392, 12881740, 20610784, 25763480, 41221568, 51526960, 103053920, 206107840]

約数ペア:

[(1, 206107840), (2, 103053920), (4, 51526960), (5, 41221568), (8, 25763480), (10, 20610784), (16, 12881740), (20, 10305392), (31, 6648640), (32, 6440870), (40, 5152696), (62, 3324320), (64, 3220435), (79, 2608960), (80, 2576348), (124, 1662160), (155, 1329728), (158, 1304480), (160, 1288174), (248, 831080), (263, 783680), (310, 664864), (316, 652240), (320, 644087), (395, 521792), (496, 415540), (526, 391840), (620, 332432), (632, 326120), (790, 260896), (992, 207770), (1052, 195920), (1240, 166216), (1264, 163060), (1315, 156736), (1580, 130448), (1984, 103885), (2104, 97960), (2449, 84160), (2480, 83108), (2528, 81530), (2630, 78368), (3160, 65224), (4208, 48980), (4898, 42080), (4960, 41554), (5056, 40765), (5260, 39184), (6320, 32612), (8153, 25280), (8416, 24490), (9796, 21040), (9920, 20777), (10520, 19592), (12245, 16832), (12640, 16306)]