20210123880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:445

約数の個数: 384

約数和(自身を含む): 69656371200

約数和(自身を除く): 49446247320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 67, 72, 90, 93, 120, 124, 134, 151, 155, 179, 180, 186, 201, 248, 268, 279, 302, 310, 335, 358, 360, 372, 402, 453, 465, 536, 537, 558, 603, 604, 620, 670, 716, 744, 755, 804, 895, 906, 930, 1005, 1074, 1116, 1206, 1208, 1240, 1340, 1359, 1395, 1432, 1510, 1608, 1611, 1790, 1812, 1860, 2010, 2077, 2148, 2232, 2265, 2412, 2680, 2685, 2718, 2790, 3015, 3020, 3222, 3580, 3624, 3720, 4020, 4154, 4296, 4530, 4681, 4824, 5370, 5436, 5549, 5580, 6030, 6040, 6231, 6444, 6795, 7160, 8040, 8055, 8308, 9060, 9362, 10117, 10385, 10740, 10872, 11098, 11160, 11993, 12060, 12462, 12888, 13590, 14043, 16110, 16616, 16647, 18120, 18693, 18724, 20234, 20770, 21480, 22196, 23405, 23986, 24120, 24924, 27029, 27180, 27745, 28086, 30351, 31155, 32220, 33294, 35979, 37386, 37448, 40468, 41540, 42129, 44392, 46810, 47972, 49848, 49941, 50585, 54058, 54360, 55490, 56172, 59965, 60702, 62310, 64440, 66588, 70215, 71958, 74772, 80936, 81087, 83080, 83235, 84258, 91053, 93465, 93620, 95944, 99882, 101170, 107937, 108116, 110980, 112344, 119930, 121404, 124620, 133176, 135145, 140430, 143916, 149544, 151755, 162174, 166470, 168516, 179895, 182106, 186930, 187240, 199764, 202340, 210645, 215874, 216232, 221960, 239860, 242808, 243261, 249240, 249705, 270290, 280860, 287832, 303510, 313627, 324348, 332940, 337032, 359790, 364212, 371783, 373860, 399528, 404680, 405435, 421290, 431748, 455265, 479720, 486522, 499410, 539685, 540580, 561720, 607020, 627254, 648696, 665880, 719580, 728424, 743566, 747720, 810870, 837899, 842580, 863496, 910530, 940881, 973044, 998820, 1079370, 1081160, 1115349, 1214040, 1216305, 1254508, 1439160, 1487132, 1568135, 1621740, 1675798, 1685160, 1810943, 1821060, 1858915, 1881762, 1946088, 1997640, 2158740, 2230698, 2432610, 2509016, 2513697, 2822643, 2974264, 3136270, 3243480, 3346047, 3351596, 3621886, 3642120, 3717830, 3763524, 4189495, 4317480, 4461396, 4704405, 4865220, 5027394, 5432829, 5576745, 5645286, 6272540, 6692094, 6703192, 7243772, 7435660, 7527048, 7541091, 8378990, 8922792, 9054715, 9408810, 9730440, 10054788, 10865658, 11153490, 11290572, 12545080, 12568485, 13384188, 14113215, 14487544, 14871320, 15082182, 16298487, 16730235, 16757980, 18109430, 18817620, 20109576, 21731316, 22306980, 22581144, 25136970, 26768376, 27164145, 28226430, 30164364, 32596974, 33460470, 33515960, 36218860, 37635240, 37705455, 43462632, 44613960, 50273940, 54328290, 56139233, 56452860, 60328728, 65193948, 66920940, 72437720, 75410910, 81492435, 100547880, 108656580, 112278466, 112905720, 130387896, 133841880, 150821820, 162984870, 168417699, 217313160, 224556932, 280696165, 301643640, 325969740, 336835398, 449113864, 505253097, 561392330, 651939480, 673670796, 842088495, 1010506194, 1122784660, 1347341592, 1684176990, 2021012388, 2245569320, 2526265485, 3368353980, 4042024776, 5052530970, 6736707960, 10105061940, 20210123880]

約数ペア:

[(1, 20210123880), (2, 10105061940), (3, 6736707960), (4, 5052530970), (5, 4042024776), (6, 3368353980), (8, 2526265485), (9, 2245569320), (10, 2021012388), (12, 1684176990), (15, 1347341592), (18, 1122784660), (20, 1010506194), (24, 842088495), (30, 673670796), (31, 651939480), (36, 561392330), (40, 505253097), (45, 449113864), (60, 336835398), (62, 325969740), (67, 301643640), (72, 280696165), (90, 224556932), (93, 217313160), (120, 168417699), (124, 162984870), (134, 150821820), (151, 133841880), (155, 130387896), (179, 112905720), (180, 112278466), (186, 108656580), (201, 100547880), (248, 81492435), (268, 75410910), (279, 72437720), (302, 66920940), (310, 65193948), (335, 60328728), (358, 56452860), (360, 56139233), (372, 54328290), (402, 50273940), (453, 44613960), (465, 43462632), (536, 37705455), (537, 37635240), (558, 36218860), (603, 33515960), (604, 33460470), (620, 32596974), (670, 30164364), (716, 28226430), (744, 27164145), (755, 26768376), (804, 25136970), (895, 22581144), (906, 22306980), (930, 21731316), (1005, 20109576), (1074, 18817620), (1116, 18109430), (1206, 16757980), (1208, 16730235), (1240, 16298487), (1340, 15082182), (1359, 14871320), (1395, 14487544), (1432, 14113215), (1510, 13384188), (1608, 12568485), (1611, 12545080), (1790, 11290572), (1812, 11153490), (1860, 10865658), (2010, 10054788), (2077, 9730440), (2148, 9408810), (2232, 9054715), (2265, 8922792), (2412, 8378990), (2680, 7541091), (2685, 7527048), (2718, 7435660), (2790, 7243772), (3015, 6703192), (3020, 6692094), (3222, 6272540), (3580, 5645286), (3624, 5576745), (3720, 5432829), (4020, 5027394), (4154, 4865220), (4296, 4704405), (4530, 4461396), (4681, 4317480), (4824, 4189495), (5370, 3763524), (5436, 3717830), (5549, 3642120), (5580, 3621886), (6030, 3351596), (6040, 3346047), (6231, 3243480), (6444, 3136270), (6795, 2974264), (7160, 2822643), (8040, 2513697), (8055, 2509016), (8308, 2432610), (9060, 2230698), (9362, 2158740), (10117, 1997640), (10385, 1946088), (10740, 1881762), (10872, 1858915), (11098, 1821060), (11160, 1810943), (11993, 1685160), (12060, 1675798), (12462, 1621740), (12888, 1568135), (13590, 1487132), (14043, 1439160), (16110, 1254508), (16616, 1216305), (16647, 1214040), (18120, 1115349), (18693, 1081160), (18724, 1079370), (20234, 998820), (20770, 973044), (21480, 940881), (22196, 910530), (23405, 863496), (23986, 842580), (24120, 837899), (24924, 810870), (27029, 747720), (27180, 743566), (27745, 728424), (28086, 719580), (30351, 665880), (31155, 648696), (32220, 627254), (33294, 607020), (35979, 561720), (37386, 540580), (37448, 539685), (40468, 499410), (41540, 486522), (42129, 479720), (44392, 455265), (46810, 431748), (47972, 421290), (49848, 405435), (49941, 404680), (50585, 399528), (54058, 373860), (54360, 371783), (55490, 364212), (56172, 359790), (59965, 337032), (60702, 332940), (62310, 324348), (64440, 313627), (66588, 303510), (70215, 287832), (71958, 280860), (74772, 270290), (80936, 249705), (81087, 249240), (83080, 243261), (83235, 242808), (84258, 239860), (91053, 221960), (93465, 216232), (93620, 215874), (95944, 210645), (99882, 202340), (101170, 199764), (107937, 187240), (108116, 186930), (110980, 182106), (112344, 179895), (119930, 168516), (121404, 166470), (124620, 162174), (133176, 151755), (135145, 149544), (140430, 143916)]