68228640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{47381}}^1$

素因数の和:47402

約数の個数: 72

約数和(自身を含む): 232835148

約数和(自身を除く): 164606508

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 47381, 94762, 142143, 189524, 236905, 284286, 379048, 426429, 473810, 568572, 710715, 758096, 852858, 947620, 1137144, 1421430, 1516192, 1705716, 1895240, 2132145, 2274288, 2842860, 3411432, 3790480, 4264290, 4548576, 5685720, 6822864, 7580960, 8528580, 11371440, 13645728, 17057160, 22742880, 34114320, 68228640]

約数ペア:

[(1, 68228640), (2, 34114320), (3, 22742880), (4, 17057160), (5, 13645728), (6, 11371440), (8, 8528580), (9, 7580960), (10, 6822864), (12, 5685720), (15, 4548576), (16, 4264290), (18, 3790480), (20, 3411432), (24, 2842860), (30, 2274288), (32, 2132145), (36, 1895240), (40, 1705716), (45, 1516192), (48, 1421430), (60, 1137144), (72, 947620), (80, 852858), (90, 758096), (96, 710715), (120, 568572), (144, 473810), (160, 426429), (180, 379048), (240, 284286), (288, 236905), (360, 189524), (480, 142143), (720, 94762), (1440, 47381)]