28431360

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{617}}^1$

素因数の和:648

約数の個数: 132

約数和(自身を含む): 98673588

約数和(自身を除く): 70242228

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 617, 640, 720, 768, 960, 1024, 1152, 1234, 1280, 1440, 1536, 1851, 1920, 2304, 2468, 2560, 2880, 3072, 3085, 3702, 3840, 4608, 4936, 5120, 5553, 5760, 6170, 7404, 7680, 9216, 9255, 9872, 11106, 11520, 12340, 14808, 15360, 18510, 19744, 22212, 23040, 24680, 27765, 29616, 37020, 39488, 44424, 46080, 49360, 55530, 59232, 74040, 78976, 88848, 98720, 111060, 118464, 148080, 157952, 177696, 197440, 222120, 236928, 296160, 315904, 355392, 394880, 444240, 473856, 592320, 631808, 710784, 789760, 888480, 947712, 1184640, 1421568, 1579520, 1776960, 1895424, 2369280, 2843136, 3159040, 3553920, 4738560, 5686272, 7107840, 9477120, 14215680, 28431360]

約数ペア:

[(1, 28431360), (2, 14215680), (3, 9477120), (4, 7107840), (5, 5686272), (6, 4738560), (8, 3553920), (9, 3159040), (10, 2843136), (12, 2369280), (15, 1895424), (16, 1776960), (18, 1579520), (20, 1421568), (24, 1184640), (30, 947712), (32, 888480), (36, 789760), (40, 710784), (45, 631808), (48, 592320), (60, 473856), (64, 444240), (72, 394880), (80, 355392), (90, 315904), (96, 296160), (120, 236928), (128, 222120), (144, 197440), (160, 177696), (180, 157952), (192, 148080), (240, 118464), (256, 111060), (288, 98720), (320, 88848), (360, 78976), (384, 74040), (480, 59232), (512, 55530), (576, 49360), (617, 46080), (640, 44424), (720, 39488), (768, 37020), (960, 29616), (1024, 27765), (1152, 24680), (1234, 23040), (1280, 22212), (1440, 19744), (1536, 18510), (1851, 15360), (1920, 14808), (2304, 12340), (2468, 11520), (2560, 11106), (2880, 9872), (3072, 9255), (3085, 9216), (3702, 7680), (3840, 7404), (4608, 6170), (4936, 5760), (5120, 5553)]