123768120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:163

約数の個数: 256

約数和(自身を含む): 451584000

約数和(自身を除く): 327815880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 49, 56, 60, 62, 70, 84, 93, 97, 98, 105, 120, 124, 140, 147, 155, 168, 186, 194, 196, 210, 217, 245, 248, 280, 291, 294, 310, 343, 372, 388, 392, 420, 434, 465, 485, 490, 582, 588, 620, 651, 679, 686, 735, 744, 776, 840, 868, 930, 970, 980, 1029, 1085, 1164, 1176, 1240, 1302, 1358, 1372, 1455, 1470, 1519, 1715, 1736, 1860, 1940, 1960, 2037, 2058, 2170, 2328, 2604, 2716, 2744, 2910, 2940, 3007, 3038, 3255, 3395, 3430, 3720, 3880, 4074, 4116, 4340, 4557, 4753, 5145, 5208, 5432, 5820, 5880, 6014, 6076, 6510, 6790, 6860, 7595, 8148, 8232, 8680, 9021, 9114, 9506, 10185, 10290, 10633, 11640, 12028, 12152, 13020, 13580, 13720, 14259, 15035, 15190, 16296, 18042, 18228, 19012, 20370, 20580, 21049, 21266, 22785, 23765, 24056, 26040, 27160, 28518, 30070, 30380, 31899, 33271, 36084, 36456, 38024, 40740, 41160, 42098, 42532, 45105, 45570, 47530, 53165, 57036, 60140, 60760, 63147, 63798, 66542, 71295, 72168, 81480, 84196, 85064, 90210, 91140, 95060, 99813, 105245, 106330, 114072, 120280, 126294, 127596, 133084, 142590, 147343, 159495, 166355, 168392, 180420, 182280, 190120, 199626, 210490, 212660, 252588, 255192, 266168, 285180, 294686, 315735, 318990, 332710, 360840, 399252, 420980, 425320, 442029, 499065, 505176, 570360, 589372, 631470, 637980, 665420, 736715, 798504, 841960, 884058, 998130, 1031401, 1178744, 1262940, 1275960, 1330840, 1473430, 1768116, 1996260, 2062802, 2210145, 2525880, 2946860, 3094203, 3536232, 3992520, 4125604, 4420290, 5157005, 5893720, 6188406, 8251208, 8840580, 10314010, 12376812, 15471015, 17681160, 20628020, 24753624, 30942030, 41256040, 61884060, 123768120]

約数ペア:

[(1, 123768120), (2, 61884060), (3, 41256040), (4, 30942030), (5, 24753624), (6, 20628020), (7, 17681160), (8, 15471015), (10, 12376812), (12, 10314010), (14, 8840580), (15, 8251208), (20, 6188406), (21, 5893720), (24, 5157005), (28, 4420290), (30, 4125604), (31, 3992520), (35, 3536232), (40, 3094203), (42, 2946860), (49, 2525880), (56, 2210145), (60, 2062802), (62, 1996260), (70, 1768116), (84, 1473430), (93, 1330840), (97, 1275960), (98, 1262940), (105, 1178744), (120, 1031401), (124, 998130), (140, 884058), (147, 841960), (155, 798504), (168, 736715), (186, 665420), (194, 637980), (196, 631470), (210, 589372), (217, 570360), (245, 505176), (248, 499065), (280, 442029), (291, 425320), (294, 420980), (310, 399252), (343, 360840), (372, 332710), (388, 318990), (392, 315735), (420, 294686), (434, 285180), (465, 266168), (485, 255192), (490, 252588), (582, 212660), (588, 210490), (620, 199626), (651, 190120), (679, 182280), (686, 180420), (735, 168392), (744, 166355), (776, 159495), (840, 147343), (868, 142590), (930, 133084), (970, 127596), (980, 126294), (1029, 120280), (1085, 114072), (1164, 106330), (1176, 105245), (1240, 99813), (1302, 95060), (1358, 91140), (1372, 90210), (1455, 85064), (1470, 84196), (1519, 81480), (1715, 72168), (1736, 71295), (1860, 66542), (1940, 63798), (1960, 63147), (2037, 60760), (2058, 60140), (2170, 57036), (2328, 53165), (2604, 47530), (2716, 45570), (2744, 45105), (2910, 42532), (2940, 42098), (3007, 41160), (3038, 40740), (3255, 38024), (3395, 36456), (3430, 36084), (3720, 33271), (3880, 31899), (4074, 30380), (4116, 30070), (4340, 28518), (4557, 27160), (4753, 26040), (5145, 24056), (5208, 23765), (5432, 22785), (5820, 21266), (5880, 21049), (6014, 20580), (6076, 20370), (6510, 19012), (6790, 18228), (6860, 18042), (7595, 16296), (8148, 15190), (8232, 15035), (8680, 14259), (9021, 13720), (9114, 13580), (9506, 13020), (10185, 12152), (10290, 12028), (10633, 11640)]