128752680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{153277}}^1$

素因数の和:153298

約数の個数: 64

約数和(自身を含む): 441440640

約数和(自身を除く): 312687960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 153277, 306554, 459831, 613108, 766385, 919662, 1072939, 1226216, 1532770, 1839324, 2145878, 2299155, 3065540, 3218817, 3678648, 4291756, 4598310, 5364695, 6131080, 6437634, 8583512, 9196620, 10729390, 12875268, 16094085, 18393240, 21458780, 25750536, 32188170, 42917560, 64376340, 128752680]

約数ペア:

[(1, 128752680), (2, 64376340), (3, 42917560), (4, 32188170), (5, 25750536), (6, 21458780), (7, 18393240), (8, 16094085), (10, 12875268), (12, 10729390), (14, 9196620), (15, 8583512), (20, 6437634), (21, 6131080), (24, 5364695), (28, 4598310), (30, 4291756), (35, 3678648), (40, 3218817), (42, 3065540), (56, 2299155), (60, 2145878), (70, 1839324), (84, 1532770), (105, 1226216), (120, 1072939), (140, 919662), (168, 766385), (210, 613108), (280, 459831), (420, 306554), (840, 153277)]