217441920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1039}}^1$

素因数の和:1170

約数の個数: 128

約数和(自身を含む): 700128000

約数和(自身を除く): 482686080

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, 320, 327, 384, 436, 480, 545, 640, 654, 872, 960, 1039, 1090, 1308, 1635, 1744, 1920, 2078, 2180, 2616, 3117, 3270, 3488, 4156, 4360, 5195, 5232, 6234, 6540, 6976, 8312, 8720, 10390, 10464, 12468, 13080, 13952, 15585, 16624, 17440, 20780, 20928, 24936, 26160, 31170, 33248, 34880, 41560, 41856, 49872, 52320, 62340, 66496, 69760, 83120, 99744, 104640, 113251, 124680, 132992, 166240, 199488, 209280, 226502, 249360, 332480, 339753, 398976, 453004, 498720, 566255, 664960, 679506, 906008, 997440, 1132510, 1359012, 1698765, 1812016, 1994880, 2265020, 2718024, 3397530, 3624032, 4530040, 5436048, 6795060, 7248064, 9060080, 10872096, 13590120, 14496128, 18120160, 21744192, 27180240, 36240320, 43488384, 54360480, 72480640, 108720960, 217441920]

約数ペア:

[(1, 217441920), (2, 108720960), (3, 72480640), (4, 54360480), (5, 43488384), (6, 36240320), (8, 27180240), (10, 21744192), (12, 18120160), (15, 14496128), (16, 13590120), (20, 10872096), (24, 9060080), (30, 7248064), (32, 6795060), (40, 5436048), (48, 4530040), (60, 3624032), (64, 3397530), (80, 2718024), (96, 2265020), (109, 1994880), (120, 1812016), (128, 1698765), (160, 1359012), (192, 1132510), (218, 997440), (240, 906008), (320, 679506), (327, 664960), (384, 566255), (436, 498720), (480, 453004), (545, 398976), (640, 339753), (654, 332480), (872, 249360), (960, 226502), (1039, 209280), (1090, 199488), (1308, 166240), (1635, 132992), (1744, 124680), (1920, 113251), (2078, 104640), (2180, 99744), (2616, 83120), (3117, 69760), (3270, 66496), (3488, 62340), (4156, 52320), (4360, 49872), (5195, 41856), (5232, 41560), (6234, 34880), (6540, 33248), (6976, 31170), (8312, 26160), (8720, 24936), (10390, 20928), (10464, 20780), (12468, 17440), (13080, 16624), (13952, 15585)]