2890908720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18503}}^1$

素因数の和:18560

約数の個数: 240

約数和(自身を含む): 11454124032

約数和(自身を除く): 8563215312

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1395, 1488, 1680, 1736, 1860, 1953, 2170, 2232, 2480, 2520, 2604, 2790, 3255, 3472, 3720, 3906, 4340, 4464, 5040, 5208, 5580, 6510, 7440, 7812, 8680, 9765, 10416, 11160, 13020, 15624, 17360, 18503, 19530, 22320, 26040, 31248, 37006, 39060, 52080, 55509, 74012, 78120, 92515, 111018, 129521, 148024, 156240, 166527, 185030, 222036, 259042, 277545, 296048, 333054, 370060, 388563, 444072, 518084, 555090, 573593, 647605, 666108, 740120, 777126, 832635, 888144, 1036168, 1110180, 1147186, 1165689, 1295210, 1332216, 1480240, 1554252, 1665270, 1720779, 1942815, 2072336, 2220360, 2294372, 2331378, 2590420, 2664432, 2867965, 3108504, 3330540, 3441558, 3885630, 4015151, 4440720, 4588744, 4662756, 5162337, 5180840, 5735930, 5828445, 6217008, 6661080, 6883116, 7771260, 8030302, 8603895, 9177488, 9325512, 10324674, 10361680, 11471860, 11656890, 12045453, 13322160, 13766232, 15542520, 16060604, 17207790, 18651024, 20075755, 20649348, 22943720, 23313780, 24090906, 25811685, 27532464, 31085040, 32121208, 34415580, 36136359, 40151510, 41298696, 45887440, 46627560, 48181812, 51623370, 60227265, 64242416, 68831160, 72272718, 80303020, 82597392, 93255120, 96363624, 103246740, 120454530, 137662320, 144545436, 160606040, 180681795, 192727248, 206493480, 240909060, 289090872, 321212080, 361363590, 412986960, 481818120, 578181744, 722727180, 963636240, 1445454360, 2890908720]

約数ペア:

[(1, 2890908720), (2, 1445454360), (3, 963636240), (4, 722727180), (5, 578181744), (6, 481818120), (7, 412986960), (8, 361363590), (9, 321212080), (10, 289090872), (12, 240909060), (14, 206493480), (15, 192727248), (16, 180681795), (18, 160606040), (20, 144545436), (21, 137662320), (24, 120454530), (28, 103246740), (30, 96363624), (31, 93255120), (35, 82597392), (36, 80303020), (40, 72272718), (42, 68831160), (45, 64242416), (48, 60227265), (56, 51623370), (60, 48181812), (62, 46627560), (63, 45887440), (70, 41298696), (72, 40151510), (80, 36136359), (84, 34415580), (90, 32121208), (93, 31085040), (105, 27532464), (112, 25811685), (120, 24090906), (124, 23313780), (126, 22943720), (140, 20649348), (144, 20075755), (155, 18651024), (168, 17207790), (180, 16060604), (186, 15542520), (210, 13766232), (217, 13322160), (240, 12045453), (248, 11656890), (252, 11471860), (279, 10361680), (280, 10324674), (310, 9325512), (315, 9177488), (336, 8603895), (360, 8030302), (372, 7771260), (420, 6883116), (434, 6661080), (465, 6217008), (496, 5828445), (504, 5735930), (558, 5180840), (560, 5162337), (620, 4662756), (630, 4588744), (651, 4440720), (720, 4015151), (744, 3885630), (840, 3441558), (868, 3330540), (930, 3108504), (1008, 2867965), (1085, 2664432), (1116, 2590420), (1240, 2331378), (1260, 2294372), (1302, 2220360), (1395, 2072336), (1488, 1942815), (1680, 1720779), (1736, 1665270), (1860, 1554252), (1953, 1480240), (2170, 1332216), (2232, 1295210), (2480, 1165689), (2520, 1147186), (2604, 1110180), (2790, 1036168), (3255, 888144), (3472, 832635), (3720, 777126), (3906, 740120), (4340, 666108), (4464, 647605), (5040, 573593), (5208, 555090), (5580, 518084), (6510, 444072), (7440, 388563), (7812, 370060), (8680, 333054), (9765, 296048), (10416, 277545), (11160, 259042), (13020, 222036), (15624, 185030), (17360, 166527), (18503, 156240), (19530, 148024), (22320, 129521), (26040, 111018), (31248, 92515), (37006, 78120), (39060, 74012), (52080, 55509)]