31862880

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:166

約数の個数: 288

約数和(自身を含む): 129729600

約数和(自身を除く): 97866720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 29, 30, 32, 35, 36, 40, 42, 45, 48, 56, 58, 60, 63, 70, 72, 80, 84, 87, 90, 96, 105, 109, 112, 116, 120, 126, 140, 144, 145, 160, 168, 174, 180, 203, 210, 218, 224, 232, 240, 252, 261, 280, 288, 290, 315, 327, 336, 348, 360, 406, 420, 435, 436, 464, 480, 504, 522, 545, 560, 580, 609, 630, 654, 672, 696, 720, 763, 812, 840, 870, 872, 928, 981, 1008, 1015, 1044, 1090, 1120, 1160, 1218, 1260, 1305, 1308, 1392, 1440, 1526, 1624, 1635, 1680, 1740, 1744, 1827, 1962, 2016, 2030, 2088, 2180, 2289, 2320, 2436, 2520, 2610, 2616, 2784, 3045, 3052, 3161, 3248, 3270, 3360, 3480, 3488, 3654, 3815, 3924, 4060, 4176, 4360, 4578, 4640, 4872, 4905, 5040, 5220, 5232, 6090, 6104, 6322, 6496, 6540, 6867, 6960, 7308, 7630, 7848, 8120, 8352, 8720, 9135, 9156, 9483, 9744, 9810, 10080, 10440, 10464, 11445, 12180, 12208, 12644, 13080, 13734, 13920, 14616, 15260, 15696, 15805, 16240, 17440, 18270, 18312, 18966, 19488, 19620, 20880, 22127, 22890, 24360, 24416, 25288, 26160, 27468, 28449, 29232, 30520, 31392, 31610, 32480, 34335, 36540, 36624, 37932, 39240, 41760, 44254, 45780, 47415, 48720, 50576, 52320, 54936, 56898, 58464, 61040, 63220, 66381, 68670, 73080, 73248, 75864, 78480, 88508, 91560, 94830, 97440, 101152, 109872, 110635, 113796, 122080, 126440, 132762, 137340, 142245, 146160, 151728, 156960, 177016, 183120, 189660, 199143, 219744, 221270, 227592, 252880, 265524, 274680, 284490, 292320, 303456, 331905, 354032, 366240, 379320, 398286, 442540, 455184, 505760, 531048, 549360, 568980, 663810, 708064, 758640, 796572, 885080, 910368, 995715, 1062096, 1098720, 1137960, 1327620, 1517280, 1593144, 1770160, 1991430, 2124192, 2275920, 2655240, 3186288, 3540320, 3982860, 4551840, 5310480, 6372576, 7965720, 10620960, 15931440, 31862880]

約数ペア:

[(1, 31862880), (2, 15931440), (3, 10620960), (4, 7965720), (5, 6372576), (6, 5310480), (7, 4551840), (8, 3982860), (9, 3540320), (10, 3186288), (12, 2655240), (14, 2275920), (15, 2124192), (16, 1991430), (18, 1770160), (20, 1593144), (21, 1517280), (24, 1327620), (28, 1137960), (29, 1098720), (30, 1062096), (32, 995715), (35, 910368), (36, 885080), (40, 796572), (42, 758640), (45, 708064), (48, 663810), (56, 568980), (58, 549360), (60, 531048), (63, 505760), (70, 455184), (72, 442540), (80, 398286), (84, 379320), (87, 366240), (90, 354032), (96, 331905), (105, 303456), (109, 292320), (112, 284490), (116, 274680), (120, 265524), (126, 252880), (140, 227592), (144, 221270), (145, 219744), (160, 199143), (168, 189660), (174, 183120), (180, 177016), (203, 156960), (210, 151728), (218, 146160), (224, 142245), (232, 137340), (240, 132762), (252, 126440), (261, 122080), (280, 113796), (288, 110635), (290, 109872), (315, 101152), (327, 97440), (336, 94830), (348, 91560), (360, 88508), (406, 78480), (420, 75864), (435, 73248), (436, 73080), (464, 68670), (480, 66381), (504, 63220), (522, 61040), (545, 58464), (560, 56898), (580, 54936), (609, 52320), (630, 50576), (654, 48720), (672, 47415), (696, 45780), (720, 44254), (763, 41760), (812, 39240), (840, 37932), (870, 36624), (872, 36540), (928, 34335), (981, 32480), (1008, 31610), (1015, 31392), (1044, 30520), (1090, 29232), (1120, 28449), (1160, 27468), (1218, 26160), (1260, 25288), (1305, 24416), (1308, 24360), (1392, 22890), (1440, 22127), (1526, 20880), (1624, 19620), (1635, 19488), (1680, 18966), (1740, 18312), (1744, 18270), (1827, 17440), (1962, 16240), (2016, 15805), (2030, 15696), (2088, 15260), (2180, 14616), (2289, 13920), (2320, 13734), (2436, 13080), (2520, 12644), (2610, 12208), (2616, 12180), (2784, 11445), (3045, 10464), (3052, 10440), (3161, 10080), (3248, 9810), (3270, 9744), (3360, 9483), (3480, 9156), (3488, 9135), (3654, 8720), (3815, 8352), (3924, 8120), (4060, 7848), (4176, 7630), (4360, 7308), (4578, 6960), (4640, 6867), (4872, 6540), (4905, 6496), (5040, 6322), (5220, 6104), (5232, 6090)]