64672000

素因数分解:

$2^8\times 5^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 168360192

約数和(自身を除く): 103688192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 47, 50, 64, 80, 86, 94, 100, 125, 128, 160, 172, 188, 200, 215, 235, 250, 256, 320, 344, 376, 400, 430, 470, 500, 640, 688, 752, 800, 860, 940, 1000, 1075, 1175, 1280, 1376, 1504, 1600, 1720, 1880, 2000, 2021, 2150, 2350, 2752, 3008, 3200, 3440, 3760, 4000, 4042, 4300, 4700, 5375, 5504, 5875, 6016, 6400, 6880, 7520, 8000, 8084, 8600, 9400, 10105, 10750, 11008, 11750, 12032, 13760, 15040, 16000, 16168, 17200, 18800, 20210, 21500, 23500, 27520, 30080, 32000, 32336, 34400, 37600, 40420, 43000, 47000, 50525, 55040, 60160, 64672, 68800, 75200, 80840, 86000, 94000, 101050, 129344, 137600, 150400, 161680, 172000, 188000, 202100, 252625, 258688, 275200, 300800, 323360, 344000, 376000, 404200, 505250, 517376, 646720, 688000, 752000, 808400, 1010500, 1293440, 1376000, 1504000, 1616800, 2021000, 2586880, 3233600, 4042000, 6467200, 8084000, 12934400, 16168000, 32336000, 64672000]

約数ペア:

[(1, 64672000), (2, 32336000), (4, 16168000), (5, 12934400), (8, 8084000), (10, 6467200), (16, 4042000), (20, 3233600), (25, 2586880), (32, 2021000), (40, 1616800), (43, 1504000), (47, 1376000), (50, 1293440), (64, 1010500), (80, 808400), (86, 752000), (94, 688000), (100, 646720), (125, 517376), (128, 505250), (160, 404200), (172, 376000), (188, 344000), (200, 323360), (215, 300800), (235, 275200), (250, 258688), (256, 252625), (320, 202100), (344, 188000), (376, 172000), (400, 161680), (430, 150400), (470, 137600), (500, 129344), (640, 101050), (688, 94000), (752, 86000), (800, 80840), (860, 75200), (940, 68800), (1000, 64672), (1075, 60160), (1175, 55040), (1280, 50525), (1376, 47000), (1504, 43000), (1600, 40420), (1720, 37600), (1880, 34400), (2000, 32336), (2021, 32000), (2150, 30080), (2350, 27520), (2752, 23500), (3008, 21500), (3200, 20210), (3440, 18800), (3760, 17200), (4000, 16168), (4042, 16000), (4300, 15040), (4700, 13760), (5375, 12032), (5504, 11750), (5875, 11008), (6016, 10750), (6400, 10105), (6880, 9400), (7520, 8600), (8000, 8084)]