81738000

素因数分解:

$2^4\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:287

約数の個数: 240

約数和(自身を含む): 301766400

約数和(自身を除く): 220028400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 48, 50, 57, 60, 72, 75, 76, 80, 90, 95, 100, 114, 120, 125, 144, 150, 152, 171, 180, 190, 200, 225, 228, 239, 240, 250, 285, 300, 304, 342, 360, 375, 380, 400, 450, 456, 475, 478, 500, 570, 600, 684, 717, 720, 750, 760, 855, 900, 912, 950, 956, 1000, 1125, 1140, 1195, 1200, 1368, 1425, 1434, 1500, 1520, 1710, 1800, 1900, 1912, 2000, 2151, 2250, 2280, 2375, 2390, 2736, 2850, 2868, 3000, 3420, 3585, 3600, 3800, 3824, 4275, 4302, 4500, 4541, 4560, 4750, 4780, 5700, 5736, 5975, 6000, 6840, 7125, 7170, 7600, 8550, 8604, 9000, 9082, 9500, 9560, 10755, 11400, 11472, 11950, 13623, 13680, 14250, 14340, 17100, 17208, 17925, 18000, 18164, 19000, 19120, 21375, 21510, 22705, 22800, 23900, 27246, 28500, 28680, 29875, 34200, 34416, 35850, 36328, 38000, 40869, 42750, 43020, 45410, 47800, 53775, 54492, 57000, 57360, 59750, 68115, 68400, 71700, 72656, 81738, 85500, 86040, 89625, 90820, 95600, 107550, 108984, 113525, 114000, 119500, 136230, 143400, 163476, 171000, 172080, 179250, 181640, 204345, 215100, 217968, 227050, 239000, 268875, 272460, 286800, 326952, 340575, 342000, 358500, 363280, 408690, 430200, 454100, 478000, 537750, 544920, 567625, 653904, 681150, 717000, 817380, 860400, 908200, 1021725, 1075500, 1089840, 1135250, 1362300, 1434000, 1634760, 1702875, 1816400, 2043450, 2151000, 2270500, 2724600, 3269520, 3405750, 4086900, 4302000, 4541000, 5108625, 5449200, 6811500, 8173800, 9082000, 10217250, 13623000, 16347600, 20434500, 27246000, 40869000, 81738000]

約数ペア:

[(1, 81738000), (2, 40869000), (3, 27246000), (4, 20434500), (5, 16347600), (6, 13623000), (8, 10217250), (9, 9082000), (10, 8173800), (12, 6811500), (15, 5449200), (16, 5108625), (18, 4541000), (19, 4302000), (20, 4086900), (24, 3405750), (25, 3269520), (30, 2724600), (36, 2270500), (38, 2151000), (40, 2043450), (45, 1816400), (48, 1702875), (50, 1634760), (57, 1434000), (60, 1362300), (72, 1135250), (75, 1089840), (76, 1075500), (80, 1021725), (90, 908200), (95, 860400), (100, 817380), (114, 717000), (120, 681150), (125, 653904), (144, 567625), (150, 544920), (152, 537750), (171, 478000), (180, 454100), (190, 430200), (200, 408690), (225, 363280), (228, 358500), (239, 342000), (240, 340575), (250, 326952), (285, 286800), (300, 272460), (304, 268875), (342, 239000), (360, 227050), (375, 217968), (380, 215100), (400, 204345), (450, 181640), (456, 179250), (475, 172080), (478, 171000), (500, 163476), (570, 143400), (600, 136230), (684, 119500), (717, 114000), (720, 113525), (750, 108984), (760, 107550), (855, 95600), (900, 90820), (912, 89625), (950, 86040), (956, 85500), (1000, 81738), (1125, 72656), (1140, 71700), (1195, 68400), (1200, 68115), (1368, 59750), (1425, 57360), (1434, 57000), (1500, 54492), (1520, 53775), (1710, 47800), (1800, 45410), (1900, 43020), (1912, 42750), (2000, 40869), (2151, 38000), (2250, 36328), (2280, 35850), (2375, 34416), (2390, 34200), (2736, 29875), (2850, 28680), (2868, 28500), (3000, 27246), (3420, 23900), (3585, 22800), (3600, 22705), (3800, 21510), (3824, 21375), (4275, 19120), (4302, 19000), (4500, 18164), (4541, 18000), (4560, 17925), (4750, 17208), (4780, 17100), (5700, 14340), (5736, 14250), (5975, 13680), (6000, 13623), (6840, 11950), (7125, 11472), (7170, 11400), (7600, 10755), (8550, 9560), (8604, 9500), (9000, 9082)]