72680000

素因数分解:

$2^6\times 5^4\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:134

約数の個数: 140

約数和(自身を含む): 190439040

約数和(自身を除く): 117759040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 79, 80, 92, 100, 115, 125, 158, 160, 184, 200, 230, 250, 316, 320, 368, 395, 400, 460, 500, 575, 625, 632, 736, 790, 800, 920, 1000, 1150, 1250, 1264, 1472, 1580, 1600, 1817, 1840, 1975, 2000, 2300, 2500, 2528, 2875, 3160, 3634, 3680, 3950, 4000, 4600, 5000, 5056, 5750, 6320, 7268, 7360, 7900, 8000, 9085, 9200, 9875, 10000, 11500, 12640, 14375, 14536, 15800, 18170, 18400, 19750, 20000, 23000, 25280, 28750, 29072, 31600, 36340, 36800, 39500, 40000, 45425, 46000, 49375, 57500, 58144, 63200, 72680, 79000, 90850, 92000, 98750, 115000, 116288, 126400, 145360, 158000, 181700, 184000, 197500, 227125, 230000, 290720, 316000, 363400, 395000, 454250, 460000, 581440, 632000, 726800, 790000, 908500, 920000, 1135625, 1453600, 1580000, 1817000, 2271250, 2907200, 3160000, 3634000, 4542500, 7268000, 9085000, 14536000, 18170000, 36340000, 72680000]

約数ペア:

[(1, 72680000), (2, 36340000), (4, 18170000), (5, 14536000), (8, 9085000), (10, 7268000), (16, 4542500), (20, 3634000), (23, 3160000), (25, 2907200), (32, 2271250), (40, 1817000), (46, 1580000), (50, 1453600), (64, 1135625), (79, 920000), (80, 908500), (92, 790000), (100, 726800), (115, 632000), (125, 581440), (158, 460000), (160, 454250), (184, 395000), (200, 363400), (230, 316000), (250, 290720), (316, 230000), (320, 227125), (368, 197500), (395, 184000), (400, 181700), (460, 158000), (500, 145360), (575, 126400), (625, 116288), (632, 115000), (736, 98750), (790, 92000), (800, 90850), (920, 79000), (1000, 72680), (1150, 63200), (1250, 58144), (1264, 57500), (1472, 49375), (1580, 46000), (1600, 45425), (1817, 40000), (1840, 39500), (1975, 36800), (2000, 36340), (2300, 31600), (2500, 29072), (2528, 28750), (2875, 25280), (3160, 23000), (3634, 20000), (3680, 19750), (3950, 18400), (4000, 18170), (4600, 15800), (5000, 14536), (5056, 14375), (5750, 12640), (6320, 11500), (7268, 10000), (7360, 9875), (7900, 9200), (8000, 9085)]