881170020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{212843}}^1$

素因数の和:212881

約数の個数: 72

約数和(自身を含む): 2789107776

約数和(自身を除く): 1907937756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 212843, 425686, 638529, 851372, 1064215, 1277058, 1915587, 2128430, 2554116, 3192645, 3831174, 4256860, 4895389, 6385290, 7662348, 9577935, 9790778, 12770580, 14686167, 19155870, 19581556, 24476945, 29372334, 38311740, 44058501, 48953890, 58744668, 73430835, 88117002, 97907780, 146861670, 176234004, 220292505, 293723340, 440585010, 881170020]

約数ペア:

[(1, 881170020), (2, 440585010), (3, 293723340), (4, 220292505), (5, 176234004), (6, 146861670), (9, 97907780), (10, 88117002), (12, 73430835), (15, 58744668), (18, 48953890), (20, 44058501), (23, 38311740), (30, 29372334), (36, 24476945), (45, 19581556), (46, 19155870), (60, 14686167), (69, 12770580), (90, 9790778), (92, 9577935), (115, 7662348), (138, 6385290), (180, 4895389), (207, 4256860), (230, 3831174), (276, 3192645), (345, 2554116), (414, 2128430), (460, 1915587), (690, 1277058), (828, 1064215), (1035, 851372), (1380, 638529), (2070, 425686), (4140, 212843)]