191281920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:590

約数の個数: 144

約数和(自身を含む): 617860320

約数和(自身を除く): 426578400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 109, 120, 128, 160, 192, 218, 240, 256, 320, 327, 384, 436, 457, 480, 545, 640, 654, 768, 872, 914, 960, 1090, 1280, 1308, 1371, 1635, 1744, 1828, 1920, 2180, 2285, 2616, 2742, 3270, 3488, 3656, 3840, 4360, 4570, 5232, 5484, 6540, 6855, 6976, 7312, 8720, 9140, 10464, 10968, 13080, 13710, 13952, 14624, 17440, 18280, 20928, 21936, 26160, 27420, 27904, 29248, 34880, 36560, 41856, 43872, 49813, 52320, 54840, 58496, 69760, 73120, 83712, 87744, 99626, 104640, 109680, 116992, 139520, 146240, 149439, 175488, 199252, 209280, 219360, 249065, 292480, 298878, 350976, 398504, 418560, 438720, 498130, 584960, 597756, 747195, 797008, 877440, 996260, 1195512, 1494390, 1594016, 1754880, 1992520, 2391024, 2988780, 3188032, 3985040, 4782048, 5977560, 6376064, 7970080, 9564096, 11955120, 12752128, 15940160, 19128192, 23910240, 31880320, 38256384, 47820480, 63760640, 95640960, 191281920]

約数ペア:

[(1, 191281920), (2, 95640960), (3, 63760640), (4, 47820480), (5, 38256384), (6, 31880320), (8, 23910240), (10, 19128192), (12, 15940160), (15, 12752128), (16, 11955120), (20, 9564096), (24, 7970080), (30, 6376064), (32, 5977560), (40, 4782048), (48, 3985040), (60, 3188032), (64, 2988780), (80, 2391024), (96, 1992520), (109, 1754880), (120, 1594016), (128, 1494390), (160, 1195512), (192, 996260), (218, 877440), (240, 797008), (256, 747195), (320, 597756), (327, 584960), (384, 498130), (436, 438720), (457, 418560), (480, 398504), (545, 350976), (640, 298878), (654, 292480), (768, 249065), (872, 219360), (914, 209280), (960, 199252), (1090, 175488), (1280, 149439), (1308, 146240), (1371, 139520), (1635, 116992), (1744, 109680), (1828, 104640), (1920, 99626), (2180, 87744), (2285, 83712), (2616, 73120), (2742, 69760), (3270, 58496), (3488, 54840), (3656, 52320), (3840, 49813), (4360, 43872), (4570, 41856), (5232, 36560), (5484, 34880), (6540, 29248), (6855, 27904), (6976, 27420), (7312, 26160), (8720, 21936), (9140, 20928), (10464, 18280), (10968, 17440), (13080, 14624), (13710, 13952)]