66819840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17401}}^1$

素因数の和:17425

約数の個数: 72

約数和(自身を含む): 213418128

約数和(自身を除く): 146598288

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, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 17401, 34802, 52203, 69604, 87005, 104406, 139208, 174010, 208812, 261015, 278416, 348020, 417624, 522030, 556832, 696040, 835248, 1044060, 1113664, 1392080, 1670496, 2088120, 2227328, 2784160, 3340992, 4176240, 4454656, 5568320, 6681984, 8352480, 11136640, 13363968, 16704960, 22273280, 33409920, 66819840]

約数ペア:

[(1, 66819840), (2, 33409920), (3, 22273280), (4, 16704960), (5, 13363968), (6, 11136640), (8, 8352480), (10, 6681984), (12, 5568320), (15, 4454656), (16, 4176240), (20, 3340992), (24, 2784160), (30, 2227328), (32, 2088120), (40, 1670496), (48, 1392080), (60, 1113664), (64, 1044060), (80, 835248), (96, 696040), (120, 556832), (128, 522030), (160, 417624), (192, 348020), (240, 278416), (256, 261015), (320, 208812), (384, 174010), (480, 139208), (640, 104406), (768, 87005), (960, 69604), (1280, 52203), (1920, 34802), (3840, 17401)]