21804000

素因数分解:

$2^5\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:130

約数の個数: 192

約数和(自身を含む): 75479040

約数和(自身を除く): 53675040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 32, 40, 46, 48, 50, 60, 69, 75, 79, 80, 92, 96, 100, 115, 120, 125, 138, 150, 158, 160, 184, 200, 230, 237, 240, 250, 276, 300, 316, 345, 368, 375, 395, 400, 460, 474, 480, 500, 552, 575, 600, 632, 690, 736, 750, 790, 800, 920, 948, 1000, 1104, 1150, 1185, 1200, 1264, 1380, 1500, 1580, 1725, 1817, 1840, 1896, 1975, 2000, 2208, 2300, 2370, 2400, 2528, 2760, 2875, 3000, 3160, 3450, 3634, 3680, 3792, 3950, 4000, 4600, 4740, 5451, 5520, 5750, 5925, 6000, 6320, 6900, 7268, 7584, 7900, 8625, 9085, 9200, 9480, 9875, 10902, 11040, 11500, 11850, 12000, 12640, 13800, 14536, 15800, 17250, 18170, 18400, 18960, 19750, 21804, 23000, 23700, 27255, 27600, 29072, 29625, 31600, 34500, 36340, 37920, 39500, 43608, 45425, 46000, 47400, 54510, 55200, 58144, 59250, 63200, 69000, 72680, 79000, 87216, 90850, 92000, 94800, 109020, 118500, 136275, 138000, 145360, 158000, 174432, 181700, 189600, 218040, 227125, 237000, 272550, 276000, 290720, 316000, 363400, 436080, 454250, 474000, 545100, 681375, 726800, 872160, 908500, 948000, 1090200, 1362750, 1453600, 1817000, 2180400, 2725500, 3634000, 4360800, 5451000, 7268000, 10902000, 21804000]

約数ペア:

[(1, 21804000), (2, 10902000), (3, 7268000), (4, 5451000), (5, 4360800), (6, 3634000), (8, 2725500), (10, 2180400), (12, 1817000), (15, 1453600), (16, 1362750), (20, 1090200), (23, 948000), (24, 908500), (25, 872160), (30, 726800), (32, 681375), (40, 545100), (46, 474000), (48, 454250), (50, 436080), (60, 363400), (69, 316000), (75, 290720), (79, 276000), (80, 272550), (92, 237000), (96, 227125), (100, 218040), (115, 189600), (120, 181700), (125, 174432), (138, 158000), (150, 145360), (158, 138000), (160, 136275), (184, 118500), (200, 109020), (230, 94800), (237, 92000), (240, 90850), (250, 87216), (276, 79000), (300, 72680), (316, 69000), (345, 63200), (368, 59250), (375, 58144), (395, 55200), (400, 54510), (460, 47400), (474, 46000), (480, 45425), (500, 43608), (552, 39500), (575, 37920), (600, 36340), (632, 34500), (690, 31600), (736, 29625), (750, 29072), (790, 27600), (800, 27255), (920, 23700), (948, 23000), (1000, 21804), (1104, 19750), (1150, 18960), (1185, 18400), (1200, 18170), (1264, 17250), (1380, 15800), (1500, 14536), (1580, 13800), (1725, 12640), (1817, 12000), (1840, 11850), (1896, 11500), (1975, 11040), (2000, 10902), (2208, 9875), (2300, 9480), (2370, 9200), (2400, 9085), (2528, 8625), (2760, 7900), (2875, 7584), (3000, 7268), (3160, 6900), (3450, 6320), (3634, 6000), (3680, 5925), (3792, 5750), (3950, 5520), (4000, 5451), (4600, 4740)]