80540040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{95881}}^1$

素因数の和:95902

約数の個数: 64

約数和(自身を含む): 276140160

約数和(自身を除く): 195600120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 95881, 191762, 287643, 383524, 479405, 575286, 671167, 767048, 958810, 1150572, 1342334, 1438215, 1917620, 2013501, 2301144, 2684668, 2876430, 3355835, 3835240, 4027002, 5369336, 5752860, 6711670, 8054004, 10067505, 11505720, 13423340, 16108008, 20135010, 26846680, 40270020, 80540040]

約数ペア:

[(1, 80540040), (2, 40270020), (3, 26846680), (4, 20135010), (5, 16108008), (6, 13423340), (7, 11505720), (8, 10067505), (10, 8054004), (12, 6711670), (14, 5752860), (15, 5369336), (20, 4027002), (21, 3835240), (24, 3355835), (28, 2876430), (30, 2684668), (35, 2301144), (40, 2013501), (42, 1917620), (56, 1438215), (60, 1342334), (70, 1150572), (84, 958810), (105, 767048), (120, 671167), (140, 575286), (168, 479405), (210, 383524), (280, 287643), (420, 191762), (840, 95881)]