1405223680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{156833}}^1$

素因数の和:156861

約数の個数: 72

約数和(自身を含む): 3846824352

約数和(自身を除く): 2441600672

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, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 156833, 313666, 627332, 784165, 1097831, 1254664, 1568330, 2195662, 2509328, 3136660, 4391324, 5018656, 5489155, 6273320, 8782648, 10037312, 10978310, 12546640, 17565296, 20074624, 21956620, 25093280, 35130592, 40149248, 43913240, 50186560, 70261184, 87826480, 100373120, 140522368, 175652960, 200746240, 281044736, 351305920, 702611840, 1405223680]

約数ペア:

[(1, 1405223680), (2, 702611840), (4, 351305920), (5, 281044736), (7, 200746240), (8, 175652960), (10, 140522368), (14, 100373120), (16, 87826480), (20, 70261184), (28, 50186560), (32, 43913240), (35, 40149248), (40, 35130592), (56, 25093280), (64, 21956620), (70, 20074624), (80, 17565296), (112, 12546640), (128, 10978310), (140, 10037312), (160, 8782648), (224, 6273320), (256, 5489155), (280, 5018656), (320, 4391324), (448, 3136660), (560, 2509328), (640, 2195662), (896, 1568330), (1120, 1254664), (1280, 1097831), (1792, 784165), (2240, 627332), (4480, 313666), (8960, 156833)]