21776400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:310

約数の個数: 180

約数和(自身を含む): 79155648

約数和(自身を除く): 57379248

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 25, 30, 36, 40, 45, 46, 48, 50, 60, 69, 72, 75, 80, 90, 92, 100, 115, 120, 138, 144, 150, 180, 184, 200, 207, 225, 230, 240, 263, 276, 300, 345, 360, 368, 400, 414, 450, 460, 526, 552, 575, 600, 690, 720, 789, 828, 900, 920, 1035, 1052, 1104, 1150, 1200, 1315, 1380, 1578, 1656, 1725, 1800, 1840, 2070, 2104, 2300, 2367, 2630, 2760, 3156, 3312, 3450, 3600, 3945, 4140, 4208, 4600, 4734, 5175, 5260, 5520, 6049, 6312, 6575, 6900, 7890, 8280, 9200, 9468, 10350, 10520, 11835, 12098, 12624, 13150, 13800, 15780, 16560, 18147, 18936, 19725, 20700, 21040, 23670, 24196, 26300, 27600, 30245, 31560, 36294, 37872, 39450, 41400, 47340, 48392, 52600, 54441, 59175, 60490, 63120, 72588, 78900, 82800, 90735, 94680, 96784, 105200, 108882, 118350, 120980, 145176, 151225, 157800, 181470, 189360, 217764, 236700, 241960, 272205, 290352, 302450, 315600, 362940, 435528, 453675, 473400, 483920, 544410, 604900, 725880, 871056, 907350, 946800, 1088820, 1209800, 1361025, 1451760, 1814700, 2177640, 2419600, 2722050, 3629400, 4355280, 5444100, 7258800, 10888200, 21776400]

約数ペア:

[(1, 21776400), (2, 10888200), (3, 7258800), (4, 5444100), (5, 4355280), (6, 3629400), (8, 2722050), (9, 2419600), (10, 2177640), (12, 1814700), (15, 1451760), (16, 1361025), (18, 1209800), (20, 1088820), (23, 946800), (24, 907350), (25, 871056), (30, 725880), (36, 604900), (40, 544410), (45, 483920), (46, 473400), (48, 453675), (50, 435528), (60, 362940), (69, 315600), (72, 302450), (75, 290352), (80, 272205), (90, 241960), (92, 236700), (100, 217764), (115, 189360), (120, 181470), (138, 157800), (144, 151225), (150, 145176), (180, 120980), (184, 118350), (200, 108882), (207, 105200), (225, 96784), (230, 94680), (240, 90735), (263, 82800), (276, 78900), (300, 72588), (345, 63120), (360, 60490), (368, 59175), (400, 54441), (414, 52600), (450, 48392), (460, 47340), (526, 41400), (552, 39450), (575, 37872), (600, 36294), (690, 31560), (720, 30245), (789, 27600), (828, 26300), (900, 24196), (920, 23670), (1035, 21040), (1052, 20700), (1104, 19725), (1150, 18936), (1200, 18147), (1315, 16560), (1380, 15780), (1578, 13800), (1656, 13150), (1725, 12624), (1800, 12098), (1840, 11835), (2070, 10520), (2104, 10350), (2300, 9468), (2367, 9200), (2630, 8280), (2760, 7890), (3156, 6900), (3312, 6575), (3450, 6312), (3600, 6049), (3945, 5520), (4140, 5260), (4208, 5175), (4600, 4734)]