138428640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:502

約数の個数: 288

約数和(自身を含む): 558544896

約数和(自身を除く): 420116256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 140, 144, 155, 160, 168, 180, 186, 210, 217, 224, 240, 248, 252, 279, 280, 288, 310, 315, 336, 360, 372, 420, 434, 443, 465, 480, 496, 504, 558, 560, 620, 630, 651, 672, 720, 744, 840, 868, 886, 930, 992, 1008, 1085, 1116, 1120, 1240, 1260, 1302, 1329, 1395, 1440, 1488, 1680, 1736, 1772, 1860, 1953, 2016, 2170, 2215, 2232, 2480, 2520, 2604, 2658, 2790, 2976, 3101, 3255, 3360, 3472, 3544, 3720, 3906, 3987, 4340, 4430, 4464, 4960, 5040, 5208, 5316, 5580, 6202, 6510, 6645, 6944, 7088, 7440, 7812, 7974, 8680, 8860, 8928, 9303, 9765, 10080, 10416, 10632, 11160, 12404, 13020, 13290, 13733, 14176, 14880, 15505, 15624, 15948, 17360, 17720, 18606, 19530, 19935, 20832, 21264, 22320, 24808, 26040, 26580, 27466, 27909, 31010, 31248, 31896, 34720, 35440, 37212, 39060, 39870, 41199, 42528, 44640, 46515, 49616, 52080, 53160, 54932, 55818, 62020, 62496, 63792, 68665, 70880, 74424, 78120, 79740, 82398, 93030, 96131, 99232, 104160, 106320, 109864, 111636, 123597, 124040, 127584, 137330, 139545, 148848, 156240, 159480, 164796, 186060, 192262, 205995, 212640, 219728, 223272, 247194, 248080, 274660, 279090, 288393, 297696, 312480, 318960, 329592, 372120, 384524, 411990, 439456, 446544, 480655, 494388, 496160, 549320, 558180, 576786, 617985, 637920, 659184, 744240, 769048, 823980, 865179, 893088, 961310, 988776, 1098640, 1116360, 1153572, 1235970, 1318368, 1441965, 1488480, 1538096, 1647960, 1730358, 1922620, 1977552, 2197280, 2232720, 2307144, 2471940, 2883930, 3076192, 3295920, 3460716, 3845240, 3955104, 4325895, 4465440, 4614288, 4943880, 5767860, 6591840, 6921432, 7690480, 8651790, 9228576, 9887760, 11535720, 13842864, 15380960, 17303580, 19775520, 23071440, 27685728, 34607160, 46142880, 69214320, 138428640]

約数ペア:

[(1, 138428640), (2, 69214320), (3, 46142880), (4, 34607160), (5, 27685728), (6, 23071440), (7, 19775520), (8, 17303580), (9, 15380960), (10, 13842864), (12, 11535720), (14, 9887760), (15, 9228576), (16, 8651790), (18, 7690480), (20, 6921432), (21, 6591840), (24, 5767860), (28, 4943880), (30, 4614288), (31, 4465440), (32, 4325895), (35, 3955104), (36, 3845240), (40, 3460716), (42, 3295920), (45, 3076192), (48, 2883930), (56, 2471940), (60, 2307144), (62, 2232720), (63, 2197280), (70, 1977552), (72, 1922620), (80, 1730358), (84, 1647960), (90, 1538096), (93, 1488480), (96, 1441965), (105, 1318368), (112, 1235970), (120, 1153572), (124, 1116360), (126, 1098640), (140, 988776), (144, 961310), (155, 893088), (160, 865179), (168, 823980), (180, 769048), (186, 744240), (210, 659184), (217, 637920), (224, 617985), (240, 576786), (248, 558180), (252, 549320), (279, 496160), (280, 494388), (288, 480655), (310, 446544), (315, 439456), (336, 411990), (360, 384524), (372, 372120), (420, 329592), (434, 318960), (443, 312480), (465, 297696), (480, 288393), (496, 279090), (504, 274660), (558, 248080), (560, 247194), (620, 223272), (630, 219728), (651, 212640), (672, 205995), (720, 192262), (744, 186060), (840, 164796), (868, 159480), (886, 156240), (930, 148848), (992, 139545), (1008, 137330), (1085, 127584), (1116, 124040), (1120, 123597), (1240, 111636), (1260, 109864), (1302, 106320), (1329, 104160), (1395, 99232), (1440, 96131), (1488, 93030), (1680, 82398), (1736, 79740), (1772, 78120), (1860, 74424), (1953, 70880), (2016, 68665), (2170, 63792), (2215, 62496), (2232, 62020), (2480, 55818), (2520, 54932), (2604, 53160), (2658, 52080), (2790, 49616), (2976, 46515), (3101, 44640), (3255, 42528), (3360, 41199), (3472, 39870), (3544, 39060), (3720, 37212), (3906, 35440), (3987, 34720), (4340, 31896), (4430, 31248), (4464, 31010), (4960, 27909), (5040, 27466), (5208, 26580), (5316, 26040), (5580, 24808), (6202, 22320), (6510, 21264), (6645, 20832), (6944, 19935), (7088, 19530), (7440, 18606), (7812, 17720), (7974, 17360), (8680, 15948), (8860, 15624), (8928, 15505), (9303, 14880), (9765, 14176), (10080, 13733), (10416, 13290), (10632, 13020), (11160, 12404)]