317763840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{997}}^1$

素因数の和:1104

約数の個数: 144

約数和(自身を含む): 1028115648

約数和(自身を除く): 710351808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 83, 96, 120, 128, 160, 166, 192, 240, 249, 256, 320, 332, 384, 415, 480, 498, 640, 664, 768, 830, 960, 996, 997, 1245, 1280, 1328, 1660, 1920, 1992, 1994, 2490, 2656, 2991, 3320, 3840, 3984, 3988, 4980, 4985, 5312, 5982, 6640, 7968, 7976, 9960, 9970, 10624, 11964, 13280, 14955, 15936, 15952, 19920, 19940, 21248, 23928, 26560, 29910, 31872, 31904, 39840, 39880, 47856, 53120, 59820, 63744, 63808, 79680, 79760, 82751, 95712, 106240, 119640, 127616, 159360, 159520, 165502, 191424, 239280, 248253, 255232, 318720, 319040, 331004, 382848, 413755, 478560, 496506, 638080, 662008, 765696, 827510, 957120, 993012, 1241265, 1276160, 1324016, 1655020, 1914240, 1986024, 2482530, 2648032, 3310040, 3828480, 3972048, 4965060, 5296064, 6620080, 7944096, 9930120, 10592128, 13240160, 15888192, 19860240, 21184256, 26480320, 31776384, 39720480, 52960640, 63552768, 79440960, 105921280, 158881920, 317763840]

約数ペア:

[(1, 317763840), (2, 158881920), (3, 105921280), (4, 79440960), (5, 63552768), (6, 52960640), (8, 39720480), (10, 31776384), (12, 26480320), (15, 21184256), (16, 19860240), (20, 15888192), (24, 13240160), (30, 10592128), (32, 9930120), (40, 7944096), (48, 6620080), (60, 5296064), (64, 4965060), (80, 3972048), (83, 3828480), (96, 3310040), (120, 2648032), (128, 2482530), (160, 1986024), (166, 1914240), (192, 1655020), (240, 1324016), (249, 1276160), (256, 1241265), (320, 993012), (332, 957120), (384, 827510), (415, 765696), (480, 662008), (498, 638080), (640, 496506), (664, 478560), (768, 413755), (830, 382848), (960, 331004), (996, 319040), (997, 318720), (1245, 255232), (1280, 248253), (1328, 239280), (1660, 191424), (1920, 165502), (1992, 159520), (1994, 159360), (2490, 127616), (2656, 119640), (2991, 106240), (3320, 95712), (3840, 82751), (3984, 79760), (3988, 79680), (4980, 63808), (4985, 63744), (5312, 59820), (5982, 53120), (6640, 47856), (7968, 39880), (7976, 39840), (9960, 31904), (9970, 31872), (10624, 29910), (11964, 26560), (13280, 23928), (14955, 21248), (15936, 19940), (15952, 19920)]