30816640

素因数分解:

$2^7\times 5^1\times {\mathrm{179}}^1\times {\mathrm{269}}^1$

素因数の和:467

約数の個数: 64

約数和(自身を含む): 74358000

約数和(自身を除く): 43541360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 179, 269, 320, 358, 538, 640, 716, 895, 1076, 1345, 1432, 1790, 2152, 2690, 2864, 3580, 4304, 5380, 5728, 7160, 8608, 10760, 11456, 14320, 17216, 21520, 22912, 28640, 34432, 43040, 48151, 57280, 86080, 96302, 114560, 172160, 192604, 240755, 385208, 481510, 770416, 963020, 1540832, 1926040, 3081664, 3852080, 6163328, 7704160, 15408320, 30816640]

約数ペア:

[(1, 30816640), (2, 15408320), (4, 7704160), (5, 6163328), (8, 3852080), (10, 3081664), (16, 1926040), (20, 1540832), (32, 963020), (40, 770416), (64, 481510), (80, 385208), (128, 240755), (160, 192604), (179, 172160), (269, 114560), (320, 96302), (358, 86080), (538, 57280), (640, 48151), (716, 43040), (895, 34432), (1076, 28640), (1345, 22912), (1432, 21520), (1790, 17216), (2152, 14320), (2690, 11456), (2864, 10760), (3580, 8608), (4304, 7160), (5380, 5728)]