208928880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{661}}^1$

素因数の和:1119

約数の個数: 120

約数和(自身を含む): 704315040

約数和(自身を除く): 495386160

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, 80, 90, 120, 144, 180, 240, 360, 439, 661, 720, 878, 1317, 1322, 1756, 1983, 2195, 2634, 2644, 3305, 3512, 3951, 3966, 4390, 5268, 5288, 5949, 6585, 6610, 7024, 7902, 7932, 8780, 9915, 10536, 10576, 11898, 13170, 13220, 15804, 15864, 17560, 19755, 19830, 21072, 23796, 26340, 26440, 29745, 31608, 31728, 35120, 39510, 39660, 47592, 52680, 52880, 59490, 63216, 79020, 79320, 95184, 105360, 118980, 158040, 158640, 237960, 290179, 316080, 475920, 580358, 870537, 1160716, 1450895, 1741074, 2321432, 2611611, 2901790, 3482148, 4352685, 4642864, 5223222, 5803580, 6964296, 8705370, 10446444, 11607160, 13058055, 13928592, 17410740, 20892888, 23214320, 26116110, 34821480, 41785776, 52232220, 69642960, 104464440, 208928880]

約数ペア:

[(1, 208928880), (2, 104464440), (3, 69642960), (4, 52232220), (5, 41785776), (6, 34821480), (8, 26116110), (9, 23214320), (10, 20892888), (12, 17410740), (15, 13928592), (16, 13058055), (18, 11607160), (20, 10446444), (24, 8705370), (30, 6964296), (36, 5803580), (40, 5223222), (45, 4642864), (48, 4352685), (60, 3482148), (72, 2901790), (80, 2611611), (90, 2321432), (120, 1741074), (144, 1450895), (180, 1160716), (240, 870537), (360, 580358), (439, 475920), (661, 316080), (720, 290179), (878, 237960), (1317, 158640), (1322, 158040), (1756, 118980), (1983, 105360), (2195, 95184), (2634, 79320), (2644, 79020), (3305, 63216), (3512, 59490), (3951, 52880), (3966, 52680), (4390, 47592), (5268, 39660), (5288, 39510), (5949, 35120), (6585, 31728), (6610, 31608), (7024, 29745), (7902, 26440), (7932, 26340), (8780, 23796), (9915, 21072), (10536, 19830), (10576, 19755), (11898, 17560), (13170, 15864), (13220, 15804)]