1456000

素因数分解:

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

素因数の和:49

約数の個数: 128

約数和(自身を含む): 4455360

約数和(自身を除く): 2999360

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, 128, 130, 140, 160, 175, 182, 200, 208, 224, 250, 260, 280, 320, 325, 350, 364, 400, 416, 448, 455, 500, 520, 560, 640, 650, 700, 728, 800, 832, 875, 896, 910, 1000, 1040, 1120, 1300, 1400, 1456, 1600, 1625, 1664, 1750, 1820, 2000, 2080, 2240, 2275, 2600, 2800, 2912, 3200, 3250, 3500, 3640, 4000, 4160, 4480, 4550, 5200, 5600, 5824, 6500, 7000, 7280, 8000, 8320, 9100, 10400, 11200, 11375, 11648, 13000, 14000, 14560, 16000, 18200, 20800, 22400, 22750, 26000, 28000, 29120, 36400, 41600, 45500, 52000, 56000, 58240, 72800, 91000, 104000, 112000, 145600, 182000, 208000, 291200, 364000, 728000, 1456000]

約数ペア:

[(1, 1456000), (2, 728000), (4, 364000), (5, 291200), (7, 208000), (8, 182000), (10, 145600), (13, 112000), (14, 104000), (16, 91000), (20, 72800), (25, 58240), (26, 56000), (28, 52000), (32, 45500), (35, 41600), (40, 36400), (50, 29120), (52, 28000), (56, 26000), (64, 22750), (65, 22400), (70, 20800), (80, 18200), (91, 16000), (100, 14560), (104, 14000), (112, 13000), (125, 11648), (128, 11375), (130, 11200), (140, 10400), (160, 9100), (175, 8320), (182, 8000), (200, 7280), (208, 7000), (224, 6500), (250, 5824), (260, 5600), (280, 5200), (320, 4550), (325, 4480), (350, 4160), (364, 4000), (400, 3640), (416, 3500), (448, 3250), (455, 3200), (500, 2912), (520, 2800), (560, 2600), (640, 2275), (650, 2240), (700, 2080), (728, 2000), (800, 1820), (832, 1750), (875, 1664), (896, 1625), (910, 1600), (1000, 1456), (1040, 1400), (1120, 1300)]