208976640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{54421}}^1$

素因数の和:54445

約数の個数: 72

約数和(自身を含む): 667431408

約数和(自身を除く): 458454768

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, 54421, 108842, 163263, 217684, 272105, 326526, 435368, 544210, 653052, 816315, 870736, 1088420, 1306104, 1632630, 1741472, 2176840, 2612208, 3265260, 3482944, 4353680, 5224416, 6530520, 6965888, 8707360, 10448832, 13061040, 13931776, 17414720, 20897664, 26122080, 34829440, 41795328, 52244160, 69658880, 104488320, 208976640]

約数ペア:

[(1, 208976640), (2, 104488320), (3, 69658880), (4, 52244160), (5, 41795328), (6, 34829440), (8, 26122080), (10, 20897664), (12, 17414720), (15, 13931776), (16, 13061040), (20, 10448832), (24, 8707360), (30, 6965888), (32, 6530520), (40, 5224416), (48, 4353680), (60, 3482944), (64, 3265260), (80, 2612208), (96, 2176840), (120, 1741472), (128, 1632630), (160, 1306104), (192, 1088420), (240, 870736), (256, 816315), (320, 653052), (384, 544210), (480, 435368), (640, 326526), (768, 272105), (960, 217684), (1280, 163263), (1920, 108842), (3840, 54421)]