1628217600

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{619}}^1$

素因数の和:785

約数の個数: 216

約数和(自身を含む): 5421423840

約数和(自身を除く): 3793206240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 137, 150, 160, 192, 200, 240, 256, 274, 300, 320, 384, 400, 411, 480, 548, 600, 619, 640, 685, 768, 800, 822, 960, 1096, 1200, 1238, 1280, 1370, 1600, 1644, 1857, 1920, 2055, 2192, 2400, 2476, 2740, 3095, 3200, 3288, 3425, 3714, 3840, 4110, 4384, 4800, 4952, 5480, 6190, 6400, 6576, 6850, 7428, 8220, 8768, 9285, 9600, 9904, 10275, 10960, 12380, 13152, 13700, 14856, 15475, 16440, 17536, 18570, 19200, 19808, 20550, 21920, 24760, 26304, 27400, 29712, 30950, 32880, 35072, 37140, 39616, 41100, 43840, 46425, 49520, 52608, 54800, 59424, 61900, 65760, 74280, 79232, 82200, 84803, 87680, 92850, 99040, 105216, 109600, 118848, 123800, 131520, 148560, 158464, 164400, 169606, 175360, 185700, 198080, 219200, 237696, 247600, 254409, 263040, 297120, 328800, 339212, 371400, 396160, 424015, 438400, 475392, 495200, 508818, 526080, 594240, 657600, 678424, 742800, 792320, 848030, 876800, 990400, 1017636, 1188480, 1272045, 1315200, 1356848, 1485600, 1696060, 1980800, 2035272, 2120075, 2376960, 2544090, 2630400, 2713696, 2971200, 3392120, 3961600, 4070544, 4240150, 5088180, 5427392, 5942400, 6360225, 6784240, 8141088, 8480300, 10176360, 10854784, 11884800, 12720450, 13568480, 16282176, 16960600, 20352720, 21709568, 25440900, 27136960, 32564352, 33921200, 40705440, 50881800, 54273920, 65128704, 67842400, 81410880, 101763600, 108547840, 135684800, 162821760, 203527200, 271369600, 325643520, 407054400, 542739200, 814108800, 1628217600]

約数ペア:

[(1, 1628217600), (2, 814108800), (3, 542739200), (4, 407054400), (5, 325643520), (6, 271369600), (8, 203527200), (10, 162821760), (12, 135684800), (15, 108547840), (16, 101763600), (20, 81410880), (24, 67842400), (25, 65128704), (30, 54273920), (32, 50881800), (40, 40705440), (48, 33921200), (50, 32564352), (60, 27136960), (64, 25440900), (75, 21709568), (80, 20352720), (96, 16960600), (100, 16282176), (120, 13568480), (128, 12720450), (137, 11884800), (150, 10854784), (160, 10176360), (192, 8480300), (200, 8141088), (240, 6784240), (256, 6360225), (274, 5942400), (300, 5427392), (320, 5088180), (384, 4240150), (400, 4070544), (411, 3961600), (480, 3392120), (548, 2971200), (600, 2713696), (619, 2630400), (640, 2544090), (685, 2376960), (768, 2120075), (800, 2035272), (822, 1980800), (960, 1696060), (1096, 1485600), (1200, 1356848), (1238, 1315200), (1280, 1272045), (1370, 1188480), (1600, 1017636), (1644, 990400), (1857, 876800), (1920, 848030), (2055, 792320), (2192, 742800), (2400, 678424), (2476, 657600), (2740, 594240), (3095, 526080), (3200, 508818), (3288, 495200), (3425, 475392), (3714, 438400), (3840, 424015), (4110, 396160), (4384, 371400), (4800, 339212), (4952, 328800), (5480, 297120), (6190, 263040), (6400, 254409), (6576, 247600), (6850, 237696), (7428, 219200), (8220, 198080), (8768, 185700), (9285, 175360), (9600, 169606), (9904, 164400), (10275, 158464), (10960, 148560), (12380, 131520), (13152, 123800), (13700, 118848), (14856, 109600), (15475, 105216), (16440, 99040), (17536, 92850), (18570, 87680), (19200, 84803), (19808, 82200), (20550, 79232), (21920, 74280), (24760, 65760), (26304, 61900), (27400, 59424), (29712, 54800), (30950, 52608), (32880, 49520), (35072, 46425), (37140, 43840), (39616, 41100)]