68988800

素因数分解:

$2^7\times 5^2\times {\mathrm{21559}}^1$

素因数の和:21583

約数の個数: 48

約数和(自身を含む): 170431800

約数和(自身を除く): 101443000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 21559, 43118, 86236, 107795, 172472, 215590, 344944, 431180, 538975, 689888, 862360, 1077950, 1379776, 1724720, 2155900, 2759552, 3449440, 4311800, 6898880, 8623600, 13797760, 17247200, 34494400, 68988800]

約数ペア:

[(1, 68988800), (2, 34494400), (4, 17247200), (5, 13797760), (8, 8623600), (10, 6898880), (16, 4311800), (20, 3449440), (25, 2759552), (32, 2155900), (40, 1724720), (50, 1379776), (64, 1077950), (80, 862360), (100, 689888), (128, 538975), (160, 431180), (200, 344944), (320, 215590), (400, 172472), (640, 107795), (800, 86236), (1600, 43118), (3200, 21559)]