205399680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{106979}}^1$

素因数の和:107001

約数の個数: 64

約数和(自身を含む): 654717600

約数和(自身を除く): 449317920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 106979, 213958, 320937, 427916, 534895, 641874, 855832, 1069790, 1283748, 1604685, 1711664, 2139580, 2567496, 3209370, 3423328, 4279160, 5134992, 6418740, 6846656, 8558320, 10269984, 12837480, 13693312, 17116640, 20539968, 25674960, 34233280, 41079936, 51349920, 68466560, 102699840, 205399680]

約数ペア:

[(1, 205399680), (2, 102699840), (3, 68466560), (4, 51349920), (5, 41079936), (6, 34233280), (8, 25674960), (10, 20539968), (12, 17116640), (15, 13693312), (16, 12837480), (20, 10269984), (24, 8558320), (30, 6846656), (32, 6418740), (40, 5134992), (48, 4279160), (60, 3423328), (64, 3209370), (80, 2567496), (96, 2139580), (120, 1711664), (128, 1604685), (160, 1283748), (192, 1069790), (240, 855832), (320, 641874), (384, 534895), (480, 427916), (640, 320937), (960, 213958), (1920, 106979)]