217904760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{26317}}^1$

素因数の和:26357

約数の個数: 96

約数和(自身を含む): 739009440

約数和(自身を除く): 521104680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 4140, 8280, 26317, 52634, 78951, 105268, 131585, 157902, 210536, 236853, 263170, 315804, 394755, 473706, 526340, 605291, 631608, 789510, 947412, 1052680, 1184265, 1210582, 1579020, 1815873, 1894824, 2368530, 2421164, 3026455, 3158040, 3631746, 4737060, 4842328, 5447619, 6052910, 7263492, 9079365, 9474120, 10895238, 12105820, 14526984, 18158730, 21790476, 24211640, 27238095, 36317460, 43580952, 54476190, 72634920, 108952380, 217904760]

約数ペア:

[(1, 217904760), (2, 108952380), (3, 72634920), (4, 54476190), (5, 43580952), (6, 36317460), (8, 27238095), (9, 24211640), (10, 21790476), (12, 18158730), (15, 14526984), (18, 12105820), (20, 10895238), (23, 9474120), (24, 9079365), (30, 7263492), (36, 6052910), (40, 5447619), (45, 4842328), (46, 4737060), (60, 3631746), (69, 3158040), (72, 3026455), (90, 2421164), (92, 2368530), (115, 1894824), (120, 1815873), (138, 1579020), (180, 1210582), (184, 1184265), (207, 1052680), (230, 947412), (276, 789510), (345, 631608), (360, 605291), (414, 526340), (460, 473706), (552, 394755), (690, 315804), (828, 263170), (920, 236853), (1035, 210536), (1380, 157902), (1656, 131585), (2070, 105268), (2760, 78951), (4140, 52634), (8280, 26317)]