66793720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1601}}^1$

素因数の和:1768

約数の個数: 64

約数和(自身を含む): 173016000

約数和(自身を除く): 106222280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 1601, 2086, 2980, 3202, 4172, 5215, 5960, 6404, 8005, 8344, 10430, 11207, 12808, 16010, 20860, 22414, 32020, 41720, 44828, 56035, 64040, 89656, 112070, 224140, 238549, 448280, 477098, 954196, 1192745, 1669843, 1908392, 2385490, 3339686, 4770980, 6679372, 8349215, 9541960, 13358744, 16698430, 33396860, 66793720]

約数ペア:

[(1, 66793720), (2, 33396860), (4, 16698430), (5, 13358744), (7, 9541960), (8, 8349215), (10, 6679372), (14, 4770980), (20, 3339686), (28, 2385490), (35, 1908392), (40, 1669843), (56, 1192745), (70, 954196), (140, 477098), (149, 448280), (280, 238549), (298, 224140), (596, 112070), (745, 89656), (1043, 64040), (1192, 56035), (1490, 44828), (1601, 41720), (2086, 32020), (2980, 22414), (3202, 20860), (4172, 16010), (5215, 12808), (5960, 11207), (6404, 10430), (8005, 8344)]