5209600

素因数分解:

$2^9\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:76

約数の個数: 120

約数和(自身を含む): 14461128

約数和(自身を除く): 9251528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 37, 40, 44, 50, 55, 64, 74, 80, 88, 100, 110, 128, 148, 160, 176, 185, 200, 220, 256, 275, 296, 320, 352, 370, 400, 407, 440, 512, 550, 592, 640, 704, 740, 800, 814, 880, 925, 1100, 1184, 1280, 1408, 1480, 1600, 1628, 1760, 1850, 2035, 2200, 2368, 2560, 2816, 2960, 3200, 3256, 3520, 3700, 4070, 4400, 4736, 5632, 5920, 6400, 6512, 7040, 7400, 8140, 8800, 9472, 10175, 11840, 12800, 13024, 14080, 14800, 16280, 17600, 18944, 20350, 23680, 26048, 28160, 29600, 32560, 35200, 40700, 47360, 52096, 59200, 65120, 70400, 81400, 94720, 104192, 118400, 130240, 140800, 162800, 208384, 236800, 260480, 325600, 473600, 520960, 651200, 1041920, 1302400, 2604800, 5209600]

約数ペア:

[(1, 5209600), (2, 2604800), (4, 1302400), (5, 1041920), (8, 651200), (10, 520960), (11, 473600), (16, 325600), (20, 260480), (22, 236800), (25, 208384), (32, 162800), (37, 140800), (40, 130240), (44, 118400), (50, 104192), (55, 94720), (64, 81400), (74, 70400), (80, 65120), (88, 59200), (100, 52096), (110, 47360), (128, 40700), (148, 35200), (160, 32560), (176, 29600), (185, 28160), (200, 26048), (220, 23680), (256, 20350), (275, 18944), (296, 17600), (320, 16280), (352, 14800), (370, 14080), (400, 13024), (407, 12800), (440, 11840), (512, 10175), (550, 9472), (592, 8800), (640, 8140), (704, 7400), (740, 7040), (800, 6512), (814, 6400), (880, 5920), (925, 5632), (1100, 4736), (1184, 4400), (1280, 4070), (1408, 3700), (1480, 3520), (1600, 3256), (1628, 3200), (1760, 2960), (1850, 2816), (2035, 2560), (2200, 2368)]