15931440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:164

約数の個数: 240

約数和(自身を含む): 63835200

約数和(自身を除く): 47903760

約数列:

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

約数ペア:

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