82628800

素因数分解:

$2^6\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1201}}^1$

素因数の和:1266

約数の個数: 84

約数和(自身を含む): 208220056

約数和(自身を除く): 125591256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 80, 86, 100, 160, 172, 200, 215, 320, 344, 400, 430, 688, 800, 860, 1075, 1201, 1376, 1600, 1720, 2150, 2402, 2752, 3440, 4300, 4804, 6005, 6880, 8600, 9608, 12010, 13760, 17200, 19216, 24020, 30025, 34400, 38432, 48040, 51643, 60050, 68800, 76864, 96080, 103286, 120100, 192160, 206572, 240200, 258215, 384320, 413144, 480400, 516430, 826288, 960800, 1032860, 1291075, 1652576, 1921600, 2065720, 2582150, 3305152, 4131440, 5164300, 8262880, 10328600, 16525760, 20657200, 41314400, 82628800]

約数ペア:

[(1, 82628800), (2, 41314400), (4, 20657200), (5, 16525760), (8, 10328600), (10, 8262880), (16, 5164300), (20, 4131440), (25, 3305152), (32, 2582150), (40, 2065720), (43, 1921600), (50, 1652576), (64, 1291075), (80, 1032860), (86, 960800), (100, 826288), (160, 516430), (172, 480400), (200, 413144), (215, 384320), (320, 258215), (344, 240200), (400, 206572), (430, 192160), (688, 120100), (800, 103286), (860, 96080), (1075, 76864), (1201, 68800), (1376, 60050), (1600, 51643), (1720, 48040), (2150, 38432), (2402, 34400), (2752, 30025), (3440, 24020), (4300, 19216), (4804, 17200), (6005, 13760), (6880, 12010), (8600, 9608)]