728000

素因数分解:

$2^6\times 5^3\times 7^1\times {\mathrm{13}}^1$

素因数の和:47

約数の個数: 112

約数和(自身を含む): 2218944

約数和(自身を除く): 1490944

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 64, 65, 70, 80, 91, 100, 104, 112, 125, 130, 140, 160, 175, 182, 200, 208, 224, 250, 260, 280, 320, 325, 350, 364, 400, 416, 448, 455, 500, 520, 560, 650, 700, 728, 800, 832, 875, 910, 1000, 1040, 1120, 1300, 1400, 1456, 1600, 1625, 1750, 1820, 2000, 2080, 2240, 2275, 2600, 2800, 2912, 3250, 3500, 3640, 4000, 4160, 4550, 5200, 5600, 5824, 6500, 7000, 7280, 8000, 9100, 10400, 11200, 11375, 13000, 14000, 14560, 18200, 20800, 22750, 26000, 28000, 29120, 36400, 45500, 52000, 56000, 72800, 91000, 104000, 145600, 182000, 364000, 728000]

約数ペア:

[(1, 728000), (2, 364000), (4, 182000), (5, 145600), (7, 104000), (8, 91000), (10, 72800), (13, 56000), (14, 52000), (16, 45500), (20, 36400), (25, 29120), (26, 28000), (28, 26000), (32, 22750), (35, 20800), (40, 18200), (50, 14560), (52, 14000), (56, 13000), (64, 11375), (65, 11200), (70, 10400), (80, 9100), (91, 8000), (100, 7280), (104, 7000), (112, 6500), (125, 5824), (130, 5600), (140, 5200), (160, 4550), (175, 4160), (182, 4000), (200, 3640), (208, 3500), (224, 3250), (250, 2912), (260, 2800), (280, 2600), (320, 2275), (325, 2240), (350, 2080), (364, 2000), (400, 1820), (416, 1750), (448, 1625), (455, 1600), (500, 1456), (520, 1400), (560, 1300), (650, 1120), (700, 1040), (728, 1000), (800, 910), (832, 875)]