131675520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{68581}}^1$

素因数の和:68603

約数の個数: 64

約数和(自身を含む): 419721840

約数和(自身を除く): 288046320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 68581, 137162, 205743, 274324, 342905, 411486, 548648, 685810, 822972, 1028715, 1097296, 1371620, 1645944, 2057430, 2194592, 2743240, 3291888, 4114860, 4389184, 5486480, 6583776, 8229720, 8778368, 10972960, 13167552, 16459440, 21945920, 26335104, 32918880, 43891840, 65837760, 131675520]

約数ペア:

[(1, 131675520), (2, 65837760), (3, 43891840), (4, 32918880), (5, 26335104), (6, 21945920), (8, 16459440), (10, 13167552), (12, 10972960), (15, 8778368), (16, 8229720), (20, 6583776), (24, 5486480), (30, 4389184), (32, 4114860), (40, 3291888), (48, 2743240), (60, 2194592), (64, 2057430), (80, 1645944), (96, 1371620), (120, 1097296), (128, 1028715), (160, 822972), (192, 685810), (240, 548648), (320, 411486), (384, 342905), (480, 274324), (640, 205743), (960, 137162), (1920, 68581)]