205387560

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{547}}^1$

素因数の和:720

約数の個数: 192

約数和(自身を含む): 769392000

約数和(自身を除く): 564004440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 149, 168, 180, 210, 252, 280, 298, 315, 360, 420, 447, 504, 547, 596, 630, 745, 840, 894, 1043, 1094, 1192, 1260, 1341, 1490, 1641, 1788, 2086, 2188, 2235, 2520, 2682, 2735, 2980, 3129, 3282, 3576, 3829, 4172, 4376, 4470, 4923, 5215, 5364, 5470, 5960, 6258, 6564, 6705, 7658, 8205, 8344, 8940, 9387, 9846, 10430, 10728, 10940, 11487, 12516, 13128, 13410, 15316, 15645, 16410, 17880, 18774, 19145, 19692, 20860, 21880, 22974, 24615, 25032, 26820, 30632, 31290, 32820, 34461, 37548, 38290, 39384, 41720, 45948, 46935, 49230, 53640, 57435, 62580, 65640, 68922, 75096, 76580, 81503, 91896, 93870, 98460, 114870, 125160, 137844, 153160, 163006, 172305, 187740, 196920, 229740, 244509, 275688, 326012, 344610, 375480, 407515, 459480, 489018, 570521, 652024, 689220, 733527, 815030, 978036, 1141042, 1222545, 1378440, 1467054, 1630060, 1711563, 1956072, 2282084, 2445090, 2852605, 2934108, 3260120, 3423126, 3667635, 4564168, 4890180, 5134689, 5705210, 5868216, 6846252, 7335270, 8557815, 9780360, 10269378, 11410420, 13692504, 14670540, 17115630, 20538756, 22820840, 25673445, 29341080, 34231260, 41077512, 51346890, 68462520, 102693780, 205387560]

約数ペア:

[(1, 205387560), (2, 102693780), (3, 68462520), (4, 51346890), (5, 41077512), (6, 34231260), (7, 29341080), (8, 25673445), (9, 22820840), (10, 20538756), (12, 17115630), (14, 14670540), (15, 13692504), (18, 11410420), (20, 10269378), (21, 9780360), (24, 8557815), (28, 7335270), (30, 6846252), (35, 5868216), (36, 5705210), (40, 5134689), (42, 4890180), (45, 4564168), (56, 3667635), (60, 3423126), (63, 3260120), (70, 2934108), (72, 2852605), (84, 2445090), (90, 2282084), (105, 1956072), (120, 1711563), (126, 1630060), (140, 1467054), (149, 1378440), (168, 1222545), (180, 1141042), (210, 978036), (252, 815030), (280, 733527), (298, 689220), (315, 652024), (360, 570521), (420, 489018), (447, 459480), (504, 407515), (547, 375480), (596, 344610), (630, 326012), (745, 275688), (840, 244509), (894, 229740), (1043, 196920), (1094, 187740), (1192, 172305), (1260, 163006), (1341, 153160), (1490, 137844), (1641, 125160), (1788, 114870), (2086, 98460), (2188, 93870), (2235, 91896), (2520, 81503), (2682, 76580), (2735, 75096), (2980, 68922), (3129, 65640), (3282, 62580), (3576, 57435), (3829, 53640), (4172, 49230), (4376, 46935), (4470, 45948), (4923, 41720), (5215, 39384), (5364, 38290), (5470, 37548), (5960, 34461), (6258, 32820), (6564, 31290), (6705, 30632), (7658, 26820), (8205, 25032), (8344, 24615), (8940, 22974), (9387, 21880), (9846, 20860), (10430, 19692), (10728, 19145), (10940, 18774), (11487, 17880), (12516, 16410), (13128, 15645), (13410, 15316)]