31818240

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{1381}}^1$

素因数の和:1410

約数の個数: 120

約数和(自身を含む): 110275308

約数和(自身を除く): 78457068

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, 1152, 1280, 1381, 1440, 1536, 1920, 2304, 2560, 2762, 2880, 3840, 4143, 4608, 5524, 5760, 6905, 7680, 8286, 11048, 11520, 12429, 13810, 16572, 20715, 22096, 23040, 24858, 27620, 33144, 41430, 44192, 49716, 55240, 62145, 66288, 82860, 88384, 99432, 110480, 124290, 132576, 165720, 176768, 198864, 220960, 248580, 265152, 331440, 353536, 397728, 441920, 497160, 530304, 662880, 707072, 795456, 883840, 994320, 1060608, 1325760, 1590912, 1767680, 1988640, 2121216, 2651520, 3181824, 3535360, 3977280, 5303040, 6363648, 7954560, 10606080, 15909120, 31818240]

約数ペア:

[(1, 31818240), (2, 15909120), (3, 10606080), (4, 7954560), (5, 6363648), (6, 5303040), (8, 3977280), (9, 3535360), (10, 3181824), (12, 2651520), (15, 2121216), (16, 1988640), (18, 1767680), (20, 1590912), (24, 1325760), (30, 1060608), (32, 994320), (36, 883840), (40, 795456), (45, 707072), (48, 662880), (60, 530304), (64, 497160), (72, 441920), (80, 397728), (90, 353536), (96, 331440), (120, 265152), (128, 248580), (144, 220960), (160, 198864), (180, 176768), (192, 165720), (240, 132576), (256, 124290), (288, 110480), (320, 99432), (360, 88384), (384, 82860), (480, 66288), (512, 62145), (576, 55240), (640, 49716), (720, 44192), (768, 41430), (960, 33144), (1152, 27620), (1280, 24858), (1381, 23040), (1440, 22096), (1536, 20715), (1920, 16572), (2304, 13810), (2560, 12429), (2762, 11520), (2880, 11048), (3840, 8286), (4143, 7680), (4608, 6905), (5524, 5760)]