172982880

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{131}}^2$

素因数の和:290

約数の個数: 216

約数和(自身を含む): 679822416

約数和(自身を除く): 506839536

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 131, 140, 144, 160, 168, 180, 210, 224, 240, 252, 262, 280, 288, 315, 336, 360, 393, 420, 480, 504, 524, 560, 630, 655, 672, 720, 786, 840, 917, 1008, 1048, 1120, 1179, 1260, 1310, 1440, 1572, 1680, 1834, 1965, 2016, 2096, 2358, 2520, 2620, 2751, 3144, 3360, 3668, 3930, 4192, 4585, 4716, 5040, 5240, 5502, 5895, 6288, 7336, 7860, 8253, 9170, 9432, 10080, 10480, 11004, 11790, 12576, 13755, 14672, 15720, 16506, 17161, 18340, 18864, 20960, 22008, 23580, 27510, 29344, 31440, 33012, 34322, 36680, 37728, 41265, 44016, 47160, 51483, 55020, 62880, 66024, 68644, 73360, 82530, 85805, 88032, 94320, 102966, 110040, 120127, 132048, 137288, 146720, 154449, 165060, 171610, 188640, 205932, 220080, 240254, 257415, 264096, 274576, 308898, 330120, 343220, 360381, 411864, 440160, 480508, 514830, 549152, 600635, 617796, 660240, 686440, 720762, 772245, 823728, 961016, 1029660, 1081143, 1201270, 1235592, 1320480, 1372880, 1441524, 1544490, 1647456, 1801905, 1922032, 2059320, 2162286, 2402540, 2471184, 2745760, 2883048, 3088980, 3603810, 3844064, 4118640, 4324572, 4805080, 4942368, 5405715, 5766096, 6177960, 7207620, 8237280, 8649144, 9610160, 10811430, 11532192, 12355920, 14415240, 17298288, 19220320, 21622860, 24711840, 28830480, 34596576, 43245720, 57660960, 86491440, 172982880]

約数ペア:

[(1, 172982880), (2, 86491440), (3, 57660960), (4, 43245720), (5, 34596576), (6, 28830480), (7, 24711840), (8, 21622860), (9, 19220320), (10, 17298288), (12, 14415240), (14, 12355920), (15, 11532192), (16, 10811430), (18, 9610160), (20, 8649144), (21, 8237280), (24, 7207620), (28, 6177960), (30, 5766096), (32, 5405715), (35, 4942368), (36, 4805080), (40, 4324572), (42, 4118640), (45, 3844064), (48, 3603810), (56, 3088980), (60, 2883048), (63, 2745760), (70, 2471184), (72, 2402540), (80, 2162286), (84, 2059320), (90, 1922032), (96, 1801905), (105, 1647456), (112, 1544490), (120, 1441524), (126, 1372880), (131, 1320480), (140, 1235592), (144, 1201270), (160, 1081143), (168, 1029660), (180, 961016), (210, 823728), (224, 772245), (240, 720762), (252, 686440), (262, 660240), (280, 617796), (288, 600635), (315, 549152), (336, 514830), (360, 480508), (393, 440160), (420, 411864), (480, 360381), (504, 343220), (524, 330120), (560, 308898), (630, 274576), (655, 264096), (672, 257415), (720, 240254), (786, 220080), (840, 205932), (917, 188640), (1008, 171610), (1048, 165060), (1120, 154449), (1179, 146720), (1260, 137288), (1310, 132048), (1440, 120127), (1572, 110040), (1680, 102966), (1834, 94320), (1965, 88032), (2016, 85805), (2096, 82530), (2358, 73360), (2520, 68644), (2620, 66024), (2751, 62880), (3144, 55020), (3360, 51483), (3668, 47160), (3930, 44016), (4192, 41265), (4585, 37728), (4716, 36680), (5040, 34322), (5240, 33012), (5502, 31440), (5895, 29344), (6288, 27510), (7336, 23580), (7860, 22008), (8253, 20960), (9170, 18864), (9432, 18340), (10080, 17161), (10480, 16506), (11004, 15720), (11790, 14672), (12576, 13755)]