1279088640

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{13879}}^1$

素因数の和:13912

約数の個数: 144

約数和(自身を含む): 4433410800

約数和(自身を除く): 3154322160

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, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2048, 2304, 2560, 2880, 3072, 3840, 4608, 5120, 5760, 6144, 7680, 9216, 10240, 11520, 13879, 15360, 18432, 23040, 27758, 30720, 41637, 46080, 55516, 69395, 83274, 92160, 111032, 124911, 138790, 166548, 208185, 222064, 249822, 277580, 333096, 416370, 444128, 499644, 555160, 624555, 666192, 832740, 888256, 999288, 1110320, 1249110, 1332384, 1665480, 1776512, 1998576, 2220640, 2498220, 2664768, 3330960, 3553024, 3997152, 4441280, 4996440, 5329536, 6661920, 7106048, 7994304, 8882560, 9992880, 10659072, 13323840, 14212096, 15988608, 17765120, 19985760, 21318144, 26647680, 28424192, 31977216, 35530240, 39971520, 42636288, 53295360, 63954432, 71060480, 79943040, 85272576, 106590720, 127908864, 142120960, 159886080, 213181440, 255817728, 319772160, 426362880, 639544320, 1279088640]

約数ペア:

[(1, 1279088640), (2, 639544320), (3, 426362880), (4, 319772160), (5, 255817728), (6, 213181440), (8, 159886080), (9, 142120960), (10, 127908864), (12, 106590720), (15, 85272576), (16, 79943040), (18, 71060480), (20, 63954432), (24, 53295360), (30, 42636288), (32, 39971520), (36, 35530240), (40, 31977216), (45, 28424192), (48, 26647680), (60, 21318144), (64, 19985760), (72, 17765120), (80, 15988608), (90, 14212096), (96, 13323840), (120, 10659072), (128, 9992880), (144, 8882560), (160, 7994304), (180, 7106048), (192, 6661920), (240, 5329536), (256, 4996440), (288, 4441280), (320, 3997152), (360, 3553024), (384, 3330960), (480, 2664768), (512, 2498220), (576, 2220640), (640, 1998576), (720, 1776512), (768, 1665480), (960, 1332384), (1024, 1249110), (1152, 1110320), (1280, 999288), (1440, 888256), (1536, 832740), (1920, 666192), (2048, 624555), (2304, 555160), (2560, 499644), (2880, 444128), (3072, 416370), (3840, 333096), (4608, 277580), (5120, 249822), (5760, 222064), (6144, 208185), (7680, 166548), (9216, 138790), (10240, 124911), (11520, 111032), (13879, 92160), (15360, 83274), (18432, 69395), (23040, 55516), (27758, 46080), (30720, 41637)]