257490480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82529}}^1$

素因数の和:82558

約数の個数: 80

約数和(自身を含む): 859632480

約数和(自身を除く): 602142000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 82529, 165058, 247587, 330116, 412645, 495174, 660232, 825290, 990348, 1072877, 1237935, 1320464, 1650580, 1980696, 2145754, 2475870, 3218631, 3301160, 3961392, 4291508, 4951740, 5364385, 6437262, 6602320, 8583016, 9903480, 10728770, 12874524, 16093155, 17166032, 19806960, 21457540, 25749048, 32186310, 42915080, 51498096, 64372620, 85830160, 128745240, 257490480]

約数ペア:

[(1, 257490480), (2, 128745240), (3, 85830160), (4, 64372620), (5, 51498096), (6, 42915080), (8, 32186310), (10, 25749048), (12, 21457540), (13, 19806960), (15, 17166032), (16, 16093155), (20, 12874524), (24, 10728770), (26, 9903480), (30, 8583016), (39, 6602320), (40, 6437262), (48, 5364385), (52, 4951740), (60, 4291508), (65, 3961392), (78, 3301160), (80, 3218631), (104, 2475870), (120, 2145754), (130, 1980696), (156, 1650580), (195, 1320464), (208, 1237935), (240, 1072877), (260, 990348), (312, 825290), (390, 660232), (520, 495174), (624, 412645), (780, 330116), (1040, 247587), (1560, 165058), (3120, 82529)]