61664640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{32117}}^1$

素因数の和:32139

約数の個数: 64

約数和(自身を含む): 196562160

約数和(自身を除く): 134897520

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, 32117, 64234, 96351, 128468, 160585, 192702, 256936, 321170, 385404, 481755, 513872, 642340, 770808, 963510, 1027744, 1284680, 1541616, 1927020, 2055488, 2569360, 3083232, 3854040, 4110976, 5138720, 6166464, 7708080, 10277440, 12332928, 15416160, 20554880, 30832320, 61664640]

約数ペア:

[(1, 61664640), (2, 30832320), (3, 20554880), (4, 15416160), (5, 12332928), (6, 10277440), (8, 7708080), (10, 6166464), (12, 5138720), (15, 4110976), (16, 3854040), (20, 3083232), (24, 2569360), (30, 2055488), (32, 1927020), (40, 1541616), (48, 1284680), (60, 1027744), (64, 963510), (80, 770808), (96, 642340), (120, 513872), (128, 481755), (160, 385404), (192, 321170), (240, 256936), (320, 192702), (384, 160585), (480, 128468), (640, 96351), (960, 64234), (1920, 32117)]