491669120

素因数分解:

$2^7\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2027}}^1$

素因数の和:2425

約数の個数: 64

約数和(自身を含む): 1179079200

約数和(自身を除く): 687410080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 379, 640, 758, 1516, 1895, 2027, 3032, 3790, 4054, 6064, 7580, 8108, 10135, 12128, 15160, 16216, 20270, 24256, 30320, 32432, 40540, 48512, 60640, 64864, 81080, 121280, 129728, 162160, 242560, 259456, 324320, 648640, 768233, 1297280, 1536466, 3072932, 3841165, 6145864, 7682330, 12291728, 15364660, 24583456, 30729320, 49166912, 61458640, 98333824, 122917280, 245834560, 491669120]

約数ペア:

[(1, 491669120), (2, 245834560), (4, 122917280), (5, 98333824), (8, 61458640), (10, 49166912), (16, 30729320), (20, 24583456), (32, 15364660), (40, 12291728), (64, 7682330), (80, 6145864), (128, 3841165), (160, 3072932), (320, 1536466), (379, 1297280), (640, 768233), (758, 648640), (1516, 324320), (1895, 259456), (2027, 242560), (3032, 162160), (3790, 129728), (4054, 121280), (6064, 81080), (7580, 64864), (8108, 60640), (10135, 48512), (12128, 40540), (15160, 32432), (16216, 30320), (20270, 24256)]