1815424000

素因数分解:

$2^{10}\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1091}}^1$

素因数の和:1139

約数の個数: 176

約数和(自身を含む): 4881947616

約数和(自身を除く): 3066523616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 128, 130, 160, 200, 208, 250, 256, 260, 320, 325, 400, 416, 500, 512, 520, 640, 650, 800, 832, 1000, 1024, 1040, 1091, 1280, 1300, 1600, 1625, 1664, 2000, 2080, 2182, 2560, 2600, 3200, 3250, 3328, 4000, 4160, 4364, 5120, 5200, 5455, 6400, 6500, 6656, 8000, 8320, 8728, 10400, 10910, 12800, 13000, 13312, 14183, 16000, 16640, 17456, 20800, 21820, 25600, 26000, 27275, 28366, 32000, 33280, 34912, 41600, 43640, 52000, 54550, 56732, 64000, 66560, 69824, 70915, 83200, 87280, 104000, 109100, 113464, 128000, 136375, 139648, 141830, 166400, 174560, 208000, 218200, 226928, 272750, 279296, 283660, 332800, 349120, 354575, 416000, 436400, 453856, 545500, 558592, 567320, 698240, 709150, 832000, 872800, 907712, 1091000, 1117184, 1134640, 1396480, 1418300, 1664000, 1745600, 1772875, 1815424, 2182000, 2269280, 2792960, 2836600, 3491200, 3545750, 3630848, 4364000, 4538560, 5585920, 5673200, 6982400, 7091500, 7261696, 8728000, 9077120, 11346400, 13964800, 14183000, 14523392, 17456000, 18154240, 22692800, 27929600, 28366000, 34912000, 36308480, 45385600, 56732000, 69824000, 72616960, 90771200, 113464000, 139648000, 181542400, 226928000, 363084800, 453856000, 907712000, 1815424000]

約数ペア:

[(1, 1815424000), (2, 907712000), (4, 453856000), (5, 363084800), (8, 226928000), (10, 181542400), (13, 139648000), (16, 113464000), (20, 90771200), (25, 72616960), (26, 69824000), (32, 56732000), (40, 45385600), (50, 36308480), (52, 34912000), (64, 28366000), (65, 27929600), (80, 22692800), (100, 18154240), (104, 17456000), (125, 14523392), (128, 14183000), (130, 13964800), (160, 11346400), (200, 9077120), (208, 8728000), (250, 7261696), (256, 7091500), (260, 6982400), (320, 5673200), (325, 5585920), (400, 4538560), (416, 4364000), (500, 3630848), (512, 3545750), (520, 3491200), (640, 2836600), (650, 2792960), (800, 2269280), (832, 2182000), (1000, 1815424), (1024, 1772875), (1040, 1745600), (1091, 1664000), (1280, 1418300), (1300, 1396480), (1600, 1134640), (1625, 1117184), (1664, 1091000), (2000, 907712), (2080, 872800), (2182, 832000), (2560, 709150), (2600, 698240), (3200, 567320), (3250, 558592), (3328, 545500), (4000, 453856), (4160, 436400), (4364, 416000), (5120, 354575), (5200, 349120), (5455, 332800), (6400, 283660), (6500, 279296), (6656, 272750), (8000, 226928), (8320, 218200), (8728, 208000), (10400, 174560), (10910, 166400), (12800, 141830), (13000, 139648), (13312, 136375), (14183, 128000), (16000, 113464), (16640, 109100), (17456, 104000), (20800, 87280), (21820, 83200), (25600, 70915), (26000, 69824), (27275, 66560), (28366, 64000), (32000, 56732), (33280, 54550), (34912, 52000), (41600, 43640)]