19886400

素因数分解:

$2^6\times 3^2\times 5^2\times {\mathrm{1381}}^1$

素因数の和:1409

約数の個数: 126

約数和(自身を含む): 70732142

約数和(自身を除く): 50845742

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 144, 150, 160, 180, 192, 200, 225, 240, 288, 300, 320, 360, 400, 450, 480, 576, 600, 720, 800, 900, 960, 1200, 1381, 1440, 1600, 1800, 2400, 2762, 2880, 3600, 4143, 4800, 5524, 6905, 7200, 8286, 11048, 12429, 13810, 14400, 16572, 20715, 22096, 24858, 27620, 33144, 34525, 41430, 44192, 49716, 55240, 62145, 66288, 69050, 82860, 88384, 99432, 103575, 110480, 124290, 132576, 138100, 165720, 198864, 207150, 220960, 248580, 265152, 276200, 310725, 331440, 397728, 414300, 441920, 497160, 552400, 621450, 662880, 795456, 828600, 994320, 1104800, 1242900, 1325760, 1657200, 1988640, 2209600, 2485800, 3314400, 3977280, 4971600, 6628800, 9943200, 19886400]

約数ペア:

[(1, 19886400), (2, 9943200), (3, 6628800), (4, 4971600), (5, 3977280), (6, 3314400), (8, 2485800), (9, 2209600), (10, 1988640), (12, 1657200), (15, 1325760), (16, 1242900), (18, 1104800), (20, 994320), (24, 828600), (25, 795456), (30, 662880), (32, 621450), (36, 552400), (40, 497160), (45, 441920), (48, 414300), (50, 397728), (60, 331440), (64, 310725), (72, 276200), (75, 265152), (80, 248580), (90, 220960), (96, 207150), (100, 198864), (120, 165720), (144, 138100), (150, 132576), (160, 124290), (180, 110480), (192, 103575), (200, 99432), (225, 88384), (240, 82860), (288, 69050), (300, 66288), (320, 62145), (360, 55240), (400, 49716), (450, 44192), (480, 41430), (576, 34525), (600, 33144), (720, 27620), (800, 24858), (900, 22096), (960, 20715), (1200, 16572), (1381, 14400), (1440, 13810), (1600, 12429), (1800, 11048), (2400, 8286), (2762, 7200), (2880, 6905), (3600, 5524), (4143, 4800)]