393908640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{820643}}^1$

素因数の和:820661

約数の個数: 48

約数和(自身を含む): 1240813728

約数和(自身を除く): 846905088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 820643, 1641286, 2461929, 3282572, 4103215, 4923858, 6565144, 8206430, 9847716, 12309645, 13130288, 16412860, 19695432, 24619290, 26260576, 32825720, 39390864, 49238580, 65651440, 78781728, 98477160, 131302880, 196954320, 393908640]

約数ペア:

[(1, 393908640), (2, 196954320), (3, 131302880), (4, 98477160), (5, 78781728), (6, 65651440), (8, 49238580), (10, 39390864), (12, 32825720), (15, 26260576), (16, 24619290), (20, 19695432), (24, 16412860), (30, 13130288), (32, 12309645), (40, 9847716), (48, 8206430), (60, 6565144), (80, 4923858), (96, 4103215), (120, 3282572), (160, 2461929), (240, 1641286), (480, 820643)]