17812980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{32987}}^1$

素因数の和:33005

約数の個数: 48

約数和(自身を含む): 55419840

約数和(自身を除く): 37606860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 32987, 65974, 98961, 131948, 164935, 197922, 296883, 329870, 395844, 494805, 593766, 659740, 890649, 989610, 1187532, 1484415, 1781298, 1979220, 2968830, 3562596, 4453245, 5937660, 8906490, 17812980]

約数ペア:

[(1, 17812980), (2, 8906490), (3, 5937660), (4, 4453245), (5, 3562596), (6, 2968830), (9, 1979220), (10, 1781298), (12, 1484415), (15, 1187532), (18, 989610), (20, 890649), (27, 659740), (30, 593766), (36, 494805), (45, 395844), (54, 329870), (60, 296883), (90, 197922), (108, 164935), (135, 131948), (180, 98961), (270, 65974), (540, 32987)]