215117280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{21341}}^1$

素因数の和:21369

約数の個数: 144

約数和(自身を含む): 838996704

約数和(自身を除く): 623879424

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, 21341, 42682, 64023, 85364, 106705, 128046, 149387, 170728, 192069, 213410, 256092, 298774, 320115, 341456, 384138, 426820, 448161, 512184, 597548, 640230, 682912, 746935, 768276, 853640, 896322, 960345, 1024368, 1195096, 1280460, 1344483, 1493870, 1536552, 1707280, 1792644, 1920690, 2048736, 2240805, 2390192, 2560920, 2688966, 2987740, 3073104, 3414560, 3585288, 3841380, 4481610, 4780384, 5121840, 5377932, 5975480, 6146208, 6722415, 7170576, 7682760, 8963220, 10243680, 10755864, 11950960, 13444830, 14341152, 15365520, 17926440, 21511728, 23901920, 26889660, 30731040, 35852880, 43023456, 53779320, 71705760, 107558640, 215117280]

約数ペア:

[(1, 215117280), (2, 107558640), (3, 71705760), (4, 53779320), (5, 43023456), (6, 35852880), (7, 30731040), (8, 26889660), (9, 23901920), (10, 21511728), (12, 17926440), (14, 15365520), (15, 14341152), (16, 13444830), (18, 11950960), (20, 10755864), (21, 10243680), (24, 8963220), (28, 7682760), (30, 7170576), (32, 6722415), (35, 6146208), (36, 5975480), (40, 5377932), (42, 5121840), (45, 4780384), (48, 4481610), (56, 3841380), (60, 3585288), (63, 3414560), (70, 3073104), (72, 2987740), (80, 2688966), (84, 2560920), (90, 2390192), (96, 2240805), (105, 2048736), (112, 1920690), (120, 1792644), (126, 1707280), (140, 1536552), (144, 1493870), (160, 1344483), (168, 1280460), (180, 1195096), (210, 1024368), (224, 960345), (240, 896322), (252, 853640), (280, 768276), (288, 746935), (315, 682912), (336, 640230), (360, 597548), (420, 512184), (480, 448161), (504, 426820), (560, 384138), (630, 341456), (672, 320115), (720, 298774), (840, 256092), (1008, 213410), (1120, 192069), (1260, 170728), (1440, 149387), (1680, 128046), (2016, 106705), (2520, 85364), (3360, 64023), (5040, 42682), (10080, 21341)]