218342880

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{21661}}^1$

素因数の和:21689

約数の個数: 144

約数和(自身を含む): 851576544

約数和(自身を除く): 633233664

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, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 21661, 43322, 64983, 86644, 108305, 129966, 151627, 173288, 194949, 216610, 259932, 303254, 324915, 346576, 389898, 433220, 454881, 519864, 606508, 649830, 693152, 758135, 779796, 866440, 909762, 974745, 1039728, 1213016, 1299660, 1364643, 1516270, 1559592, 1732880, 1819524, 1949490, 2079456, 2274405, 2426032, 2599320, 2729286, 3032540, 3119184, 3465760, 3639048, 3898980, 4548810, 4852064, 5198640, 5458572, 6065080, 6238368, 6823215, 7278096, 7797960, 9097620, 10397280, 10917144, 12130160, 13646430, 14556192, 15595920, 18195240, 21834288, 24260320, 27292860, 31191840, 36390480, 43668576, 54585720, 72780960, 109171440, 218342880]

約数ペア:

[(1, 218342880), (2, 109171440), (3, 72780960), (4, 54585720), (5, 43668576), (6, 36390480), (7, 31191840), (8, 27292860), (9, 24260320), (10, 21834288), (12, 18195240), (14, 15595920), (15, 14556192), (16, 13646430), (18, 12130160), (20, 10917144), (21, 10397280), (24, 9097620), (28, 7797960), (30, 7278096), (32, 6823215), (35, 6238368), (36, 6065080), (40, 5458572), (42, 5198640), (45, 4852064), (48, 4548810), (56, 3898980), (60, 3639048), (63, 3465760), (70, 3119184), (72, 3032540), (80, 2729286), (84, 2599320), (90, 2426032), (96, 2274405), (105, 2079456), (112, 1949490), (120, 1819524), (126, 1732880), (140, 1559592), (144, 1516270), (160, 1364643), (168, 1299660), (180, 1213016), (210, 1039728), (224, 974745), (240, 909762), (252, 866440), (280, 779796), (288, 758135), (315, 693152), (336, 649830), (360, 606508), (420, 519864), (480, 454881), (504, 433220), (560, 389898), (630, 346576), (672, 324915), (720, 303254), (840, 259932), (1008, 216610), (1120, 194949), (1260, 173288), (1440, 151627), (1680, 129966), (2016, 108305), (2520, 86644), (3360, 64983), (5040, 43322), (10080, 21661)]