1420542720

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{123311}}^1$

素因数の和:123338

約数の個数: 108

約数和(自身を含む): 4914969696

約数和(自身を除く): 3494426976

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, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 123311, 246622, 369933, 493244, 616555, 739866, 986488, 1109799, 1233110, 1479732, 1849665, 1972976, 2219598, 2466220, 2959464, 3699330, 3945952, 4439196, 4932440, 5548995, 5918928, 7398660, 7891904, 8878392, 9864880, 11097990, 11837856, 14797320, 15783808, 17756784, 19729760, 22195980, 23675712, 29594640, 31567616, 35513568, 39459520, 44391960, 47351424, 59189280, 71027136, 78919040, 88783920, 94702848, 118378560, 142054272, 157838080, 177567840, 236757120, 284108544, 355135680, 473514240, 710271360, 1420542720]

約数ペア:

[(1, 1420542720), (2, 710271360), (3, 473514240), (4, 355135680), (5, 284108544), (6, 236757120), (8, 177567840), (9, 157838080), (10, 142054272), (12, 118378560), (15, 94702848), (16, 88783920), (18, 78919040), (20, 71027136), (24, 59189280), (30, 47351424), (32, 44391960), (36, 39459520), (40, 35513568), (45, 31567616), (48, 29594640), (60, 23675712), (64, 22195980), (72, 19729760), (80, 17756784), (90, 15783808), (96, 14797320), (120, 11837856), (128, 11097990), (144, 9864880), (160, 8878392), (180, 7891904), (192, 7398660), (240, 5918928), (256, 5548995), (288, 4932440), (320, 4439196), (360, 3945952), (384, 3699330), (480, 2959464), (576, 2466220), (640, 2219598), (720, 1972976), (768, 1849665), (960, 1479732), (1152, 1233110), (1280, 1109799), (1440, 986488), (1920, 739866), (2304, 616555), (2880, 493244), (3840, 369933), (5760, 246622), (11520, 123311)]