89971920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:218

約数の個数: 240

約数和(自身を含む): 324979200

約数和(自身を除く): 235007280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 31, 36, 40, 45, 48, 58, 60, 62, 72, 80, 87, 90, 93, 116, 120, 124, 139, 144, 145, 155, 174, 180, 186, 232, 240, 248, 261, 278, 279, 290, 310, 348, 360, 372, 417, 435, 464, 465, 496, 522, 556, 558, 580, 620, 695, 696, 720, 744, 834, 870, 899, 930, 1044, 1112, 1116, 1160, 1240, 1251, 1305, 1390, 1392, 1395, 1488, 1668, 1740, 1798, 1860, 2085, 2088, 2224, 2232, 2320, 2480, 2502, 2610, 2697, 2780, 2790, 3336, 3480, 3596, 3720, 4031, 4170, 4176, 4309, 4464, 4495, 5004, 5220, 5394, 5560, 5580, 6255, 6672, 6960, 7192, 7440, 8062, 8091, 8340, 8618, 8990, 10008, 10440, 10788, 11120, 11160, 12093, 12510, 12927, 13485, 14384, 16124, 16182, 16680, 17236, 17980, 20016, 20155, 20880, 21545, 21576, 22320, 24186, 25020, 25854, 26970, 32248, 32364, 33360, 34472, 35960, 36279, 38781, 40310, 40455, 43090, 43152, 48372, 50040, 51708, 53940, 60465, 64496, 64635, 64728, 68944, 71920, 72558, 77562, 80620, 80910, 86180, 96744, 100080, 103416, 107880, 120930, 124961, 129270, 129456, 145116, 155124, 161240, 161820, 172360, 181395, 193488, 193905, 206832, 215760, 241860, 249922, 258540, 290232, 310248, 322480, 323640, 344720, 362790, 374883, 387810, 483720, 499844, 517080, 580464, 620496, 624805, 647280, 725580, 749766, 775620, 967440, 999688, 1034160, 1124649, 1249610, 1451160, 1499532, 1551240, 1874415, 1999376, 2249298, 2499220, 2902320, 2999064, 3102480, 3748830, 4498596, 4998440, 5623245, 5998128, 7497660, 8997192, 9996880, 11246490, 14995320, 17994384, 22492980, 29990640, 44985960, 89971920]

約数ペア:

[(1, 89971920), (2, 44985960), (3, 29990640), (4, 22492980), (5, 17994384), (6, 14995320), (8, 11246490), (9, 9996880), (10, 8997192), (12, 7497660), (15, 5998128), (16, 5623245), (18, 4998440), (20, 4498596), (24, 3748830), (29, 3102480), (30, 2999064), (31, 2902320), (36, 2499220), (40, 2249298), (45, 1999376), (48, 1874415), (58, 1551240), (60, 1499532), (62, 1451160), (72, 1249610), (80, 1124649), (87, 1034160), (90, 999688), (93, 967440), (116, 775620), (120, 749766), (124, 725580), (139, 647280), (144, 624805), (145, 620496), (155, 580464), (174, 517080), (180, 499844), (186, 483720), (232, 387810), (240, 374883), (248, 362790), (261, 344720), (278, 323640), (279, 322480), (290, 310248), (310, 290232), (348, 258540), (360, 249922), (372, 241860), (417, 215760), (435, 206832), (464, 193905), (465, 193488), (496, 181395), (522, 172360), (556, 161820), (558, 161240), (580, 155124), (620, 145116), (695, 129456), (696, 129270), (720, 124961), (744, 120930), (834, 107880), (870, 103416), (899, 100080), (930, 96744), (1044, 86180), (1112, 80910), (1116, 80620), (1160, 77562), (1240, 72558), (1251, 71920), (1305, 68944), (1390, 64728), (1392, 64635), (1395, 64496), (1488, 60465), (1668, 53940), (1740, 51708), (1798, 50040), (1860, 48372), (2085, 43152), (2088, 43090), (2224, 40455), (2232, 40310), (2320, 38781), (2480, 36279), (2502, 35960), (2610, 34472), (2697, 33360), (2780, 32364), (2790, 32248), (3336, 26970), (3480, 25854), (3596, 25020), (3720, 24186), (4031, 22320), (4170, 21576), (4176, 21545), (4309, 20880), (4464, 20155), (4495, 20016), (5004, 17980), (5220, 17236), (5394, 16680), (5560, 16182), (5580, 16124), (6255, 14384), (6672, 13485), (6960, 12927), (7192, 12510), (7440, 12093), (8062, 11160), (8091, 11120), (8340, 10788), (8618, 10440), (8990, 10008)]