81021120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2281}}^1$

素因数の和:2338

約数の個数: 112

約数和(自身を含む): 264310368

約数和(自身を除く): 183289248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 148, 160, 185, 192, 222, 240, 296, 320, 370, 444, 480, 555, 592, 740, 888, 960, 1110, 1184, 1480, 1776, 2220, 2281, 2368, 2960, 3552, 4440, 4562, 5920, 6843, 7104, 8880, 9124, 11405, 11840, 13686, 17760, 18248, 22810, 27372, 34215, 35520, 36496, 45620, 54744, 68430, 72992, 84397, 91240, 109488, 136860, 145984, 168794, 182480, 218976, 253191, 273720, 337588, 364960, 421985, 437952, 506382, 547440, 675176, 729920, 843970, 1012764, 1094880, 1265955, 1350352, 1687940, 2025528, 2189760, 2531910, 2700704, 3375880, 4051056, 5063820, 5401408, 6751760, 8102112, 10127640, 13503520, 16204224, 20255280, 27007040, 40510560, 81021120]

約数ペア:

[(1, 81021120), (2, 40510560), (3, 27007040), (4, 20255280), (5, 16204224), (6, 13503520), (8, 10127640), (10, 8102112), (12, 6751760), (15, 5401408), (16, 5063820), (20, 4051056), (24, 3375880), (30, 2700704), (32, 2531910), (37, 2189760), (40, 2025528), (48, 1687940), (60, 1350352), (64, 1265955), (74, 1094880), (80, 1012764), (96, 843970), (111, 729920), (120, 675176), (148, 547440), (160, 506382), (185, 437952), (192, 421985), (222, 364960), (240, 337588), (296, 273720), (320, 253191), (370, 218976), (444, 182480), (480, 168794), (555, 145984), (592, 136860), (740, 109488), (888, 91240), (960, 84397), (1110, 72992), (1184, 68430), (1480, 54744), (1776, 45620), (2220, 36496), (2281, 35520), (2368, 34215), (2960, 27372), (3552, 22810), (4440, 18248), (4562, 17760), (5920, 13686), (6843, 11840), (7104, 11405), (8880, 9124)]