19430640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{26987}}^1$

素因数の和:27006

約数の個数: 60

約数和(自身を含む): 65256984

約数和(自身を除く): 45826344

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 26987, 53974, 80961, 107948, 134935, 161922, 215896, 242883, 269870, 323844, 404805, 431792, 485766, 539740, 647688, 809610, 971532, 1079480, 1214415, 1295376, 1619220, 1943064, 2158960, 2428830, 3238440, 3886128, 4857660, 6476880, 9715320, 19430640]

約数ペア:

[(1, 19430640), (2, 9715320), (3, 6476880), (4, 4857660), (5, 3886128), (6, 3238440), (8, 2428830), (9, 2158960), (10, 1943064), (12, 1619220), (15, 1295376), (16, 1214415), (18, 1079480), (20, 971532), (24, 809610), (30, 647688), (36, 539740), (40, 485766), (45, 431792), (48, 404805), (60, 323844), (72, 269870), (80, 242883), (90, 215896), (120, 161922), (144, 134935), (180, 107948), (240, 80961), (360, 53974), (720, 26987)]