856980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{23}}^2$

素因数の和:67

約数の個数: 90

約数和(自身を含む): 2810346

約数和(自身を除く): 1953366

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 81, 90, 92, 108, 115, 135, 138, 162, 180, 207, 230, 270, 276, 324, 345, 405, 414, 460, 529, 540, 621, 690, 810, 828, 1035, 1058, 1242, 1380, 1587, 1620, 1863, 2070, 2116, 2484, 2645, 3105, 3174, 3726, 4140, 4761, 5290, 6210, 6348, 7452, 7935, 9315, 9522, 10580, 12420, 14283, 15870, 18630, 19044, 23805, 28566, 31740, 37260, 42849, 47610, 57132, 71415, 85698, 95220, 142830, 171396, 214245, 285660, 428490, 856980]

約数ペア:

[(1, 856980), (2, 428490), (3, 285660), (4, 214245), (5, 171396), (6, 142830), (9, 95220), (10, 85698), (12, 71415), (15, 57132), (18, 47610), (20, 42849), (23, 37260), (27, 31740), (30, 28566), (36, 23805), (45, 19044), (46, 18630), (54, 15870), (60, 14283), (69, 12420), (81, 10580), (90, 9522), (92, 9315), (108, 7935), (115, 7452), (135, 6348), (138, 6210), (162, 5290), (180, 4761), (207, 4140), (230, 3726), (270, 3174), (276, 3105), (324, 2645), (345, 2484), (405, 2116), (414, 2070), (460, 1863), (529, 1620), (540, 1587), (621, 1380), (690, 1242), (810, 1058), (828, 1035)]