18712960

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{4177}}^1$

素因数の和:4203

約数の個数: 64

約数和(自身を含む): 51138720

約数和(自身を除く): 32425760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4177, 4480, 8354, 16708, 20885, 29239, 33416, 41770, 58478, 66832, 83540, 116956, 133664, 146195, 167080, 233912, 267328, 292390, 334160, 467824, 534656, 584780, 668320, 935648, 1169560, 1336640, 1871296, 2339120, 2673280, 3742592, 4678240, 9356480, 18712960]

約数ペア:

[(1, 18712960), (2, 9356480), (4, 4678240), (5, 3742592), (7, 2673280), (8, 2339120), (10, 1871296), (14, 1336640), (16, 1169560), (20, 935648), (28, 668320), (32, 584780), (35, 534656), (40, 467824), (56, 334160), (64, 292390), (70, 267328), (80, 233912), (112, 167080), (128, 146195), (140, 133664), (160, 116956), (224, 83540), (280, 66832), (320, 58478), (448, 41770), (560, 33416), (640, 29239), (896, 20885), (1120, 16708), (2240, 8354), (4177, 4480)]