21088800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:156

約数の個数: 216

約数和(自身を含む): 77690340

約数和(自身を除く): 56601540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 29, 30, 32, 36, 40, 45, 48, 50, 58, 60, 72, 75, 80, 87, 90, 96, 100, 101, 116, 120, 144, 145, 150, 160, 174, 180, 200, 202, 225, 232, 240, 261, 288, 290, 300, 303, 348, 360, 400, 404, 435, 450, 464, 480, 505, 522, 580, 600, 606, 696, 720, 725, 800, 808, 870, 900, 909, 928, 1010, 1044, 1160, 1200, 1212, 1305, 1392, 1440, 1450, 1515, 1616, 1740, 1800, 1818, 2020, 2088, 2175, 2320, 2400, 2424, 2525, 2610, 2784, 2900, 2929, 3030, 3232, 3480, 3600, 3636, 4040, 4176, 4350, 4545, 4640, 4848, 5050, 5220, 5800, 5858, 6060, 6525, 6960, 7200, 7272, 7575, 8080, 8352, 8700, 8787, 9090, 9696, 10100, 10440, 11600, 11716, 12120, 13050, 13920, 14544, 14645, 15150, 16160, 17400, 17574, 18180, 20200, 20880, 22725, 23200, 23432, 24240, 26100, 26361, 29088, 29290, 30300, 34800, 35148, 36360, 40400, 41760, 43935, 45450, 46864, 48480, 52200, 52722, 58580, 60600, 69600, 70296, 72720, 73225, 80800, 87870, 90900, 93728, 104400, 105444, 117160, 121200, 131805, 140592, 145440, 146450, 175740, 181800, 208800, 210888, 219675, 234320, 242400, 263610, 281184, 292900, 351480, 363600, 421776, 439350, 468640, 527220, 585800, 659025, 702960, 727200, 843552, 878700, 1054440, 1171600, 1318050, 1405920, 1757400, 2108880, 2343200, 2636100, 3514800, 4217760, 5272200, 7029600, 10544400, 21088800]

約数ペア:

[(1, 21088800), (2, 10544400), (3, 7029600), (4, 5272200), (5, 4217760), (6, 3514800), (8, 2636100), (9, 2343200), (10, 2108880), (12, 1757400), (15, 1405920), (16, 1318050), (18, 1171600), (20, 1054440), (24, 878700), (25, 843552), (29, 727200), (30, 702960), (32, 659025), (36, 585800), (40, 527220), (45, 468640), (48, 439350), (50, 421776), (58, 363600), (60, 351480), (72, 292900), (75, 281184), (80, 263610), (87, 242400), (90, 234320), (96, 219675), (100, 210888), (101, 208800), (116, 181800), (120, 175740), (144, 146450), (145, 145440), (150, 140592), (160, 131805), (174, 121200), (180, 117160), (200, 105444), (202, 104400), (225, 93728), (232, 90900), (240, 87870), (261, 80800), (288, 73225), (290, 72720), (300, 70296), (303, 69600), (348, 60600), (360, 58580), (400, 52722), (404, 52200), (435, 48480), (450, 46864), (464, 45450), (480, 43935), (505, 41760), (522, 40400), (580, 36360), (600, 35148), (606, 34800), (696, 30300), (720, 29290), (725, 29088), (800, 26361), (808, 26100), (870, 24240), (900, 23432), (909, 23200), (928, 22725), (1010, 20880), (1044, 20200), (1160, 18180), (1200, 17574), (1212, 17400), (1305, 16160), (1392, 15150), (1440, 14645), (1450, 14544), (1515, 13920), (1616, 13050), (1740, 12120), (1800, 11716), (1818, 11600), (2020, 10440), (2088, 10100), (2175, 9696), (2320, 9090), (2400, 8787), (2424, 8700), (2525, 8352), (2610, 8080), (2784, 7575), (2900, 7272), (2929, 7200), (3030, 6960), (3232, 6525), (3480, 6060), (3600, 5858), (3636, 5800), (4040, 5220), (4176, 5050), (4350, 4848), (4545, 4640)]