68516640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{47581}}^1$

素因数の和:47602

約数の個数: 72

約数和(自身を含む): 233817948

約数和(自身を除く): 165301308

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, 47581, 95162, 142743, 190324, 237905, 285486, 380648, 428229, 475810, 570972, 713715, 761296, 856458, 951620, 1141944, 1427430, 1522592, 1712916, 1903240, 2141145, 2283888, 2854860, 3425832, 3806480, 4282290, 4567776, 5709720, 6851664, 7612960, 8564580, 11419440, 13703328, 17129160, 22838880, 34258320, 68516640]

約数ペア:

[(1, 68516640), (2, 34258320), (3, 22838880), (4, 17129160), (5, 13703328), (6, 11419440), (8, 8564580), (9, 7612960), (10, 6851664), (12, 5709720), (15, 4567776), (16, 4282290), (18, 3806480), (20, 3425832), (24, 2854860), (30, 2283888), (32, 2141145), (36, 1903240), (40, 1712916), (45, 1522592), (48, 1427430), (60, 1141944), (72, 951620), (80, 856458), (90, 761296), (96, 713715), (120, 570972), (144, 475810), (160, 428229), (180, 380648), (240, 285486), (288, 237905), (360, 190324), (480, 142743), (720, 95162), (1440, 47581)]