1221491160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:646

約数の個数: 192

約数和(自身を含む): 4077216000

約数和(自身を除く): 2855724840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 59, 60, 72, 90, 118, 120, 131, 177, 180, 236, 262, 295, 354, 360, 393, 439, 472, 524, 531, 590, 655, 708, 786, 878, 885, 1048, 1062, 1179, 1180, 1310, 1317, 1416, 1572, 1756, 1770, 1965, 2124, 2195, 2358, 2360, 2620, 2634, 2655, 3144, 3512, 3540, 3930, 3951, 4248, 4390, 4716, 5240, 5268, 5310, 5895, 6585, 7080, 7729, 7860, 7902, 8780, 9432, 10536, 10620, 11790, 13170, 15458, 15720, 15804, 17560, 19755, 21240, 23187, 23580, 25901, 26340, 30916, 31608, 38645, 39510, 46374, 47160, 51802, 52680, 57509, 61832, 69561, 77290, 77703, 79020, 92748, 103604, 115018, 115935, 129505, 139122, 154580, 155406, 158040, 172527, 185496, 207208, 230036, 231870, 233109, 259010, 278244, 287545, 309160, 310812, 345054, 347805, 388515, 460072, 463740, 466218, 517581, 518020, 556488, 575090, 621624, 690108, 695610, 777030, 862635, 927480, 932436, 1035162, 1036040, 1150180, 1165545, 1380216, 1391220, 1554060, 1725270, 1864872, 2070324, 2300360, 2331090, 2587905, 2782440, 3108120, 3393031, 3450540, 4140648, 4662180, 5175810, 6786062, 6901080, 9324360, 10179093, 10351620, 13572124, 16965155, 20358186, 20703240, 27144248, 30537279, 33930310, 40716372, 50895465, 61074558, 67860620, 81432744, 101790930, 122149116, 135721240, 152686395, 203581860, 244298232, 305372790, 407163720, 610745580, 1221491160]

約数ペア:

[(1, 1221491160), (2, 610745580), (3, 407163720), (4, 305372790), (5, 244298232), (6, 203581860), (8, 152686395), (9, 135721240), (10, 122149116), (12, 101790930), (15, 81432744), (18, 67860620), (20, 61074558), (24, 50895465), (30, 40716372), (36, 33930310), (40, 30537279), (45, 27144248), (59, 20703240), (60, 20358186), (72, 16965155), (90, 13572124), (118, 10351620), (120, 10179093), (131, 9324360), (177, 6901080), (180, 6786062), (236, 5175810), (262, 4662180), (295, 4140648), (354, 3450540), (360, 3393031), (393, 3108120), (439, 2782440), (472, 2587905), (524, 2331090), (531, 2300360), (590, 2070324), (655, 1864872), (708, 1725270), (786, 1554060), (878, 1391220), (885, 1380216), (1048, 1165545), (1062, 1150180), (1179, 1036040), (1180, 1035162), (1310, 932436), (1317, 927480), (1416, 862635), (1572, 777030), (1756, 695610), (1770, 690108), (1965, 621624), (2124, 575090), (2195, 556488), (2358, 518020), (2360, 517581), (2620, 466218), (2634, 463740), (2655, 460072), (3144, 388515), (3512, 347805), (3540, 345054), (3930, 310812), (3951, 309160), (4248, 287545), (4390, 278244), (4716, 259010), (5240, 233109), (5268, 231870), (5310, 230036), (5895, 207208), (6585, 185496), (7080, 172527), (7729, 158040), (7860, 155406), (7902, 154580), (8780, 139122), (9432, 129505), (10536, 115935), (10620, 115018), (11790, 103604), (13170, 92748), (15458, 79020), (15720, 77703), (15804, 77290), (17560, 69561), (19755, 61832), (21240, 57509), (23187, 52680), (23580, 51802), (25901, 47160), (26340, 46374), (30916, 39510), (31608, 38645)]