256976640

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{22307}}^1$

素因数の和:22334

約数の個数: 108

約数和(自身を含む): 889152264

約数和(自身を除く): 632175624

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 22307, 44614, 66921, 89228, 111535, 133842, 178456, 200763, 223070, 267684, 334605, 356912, 401526, 446140, 535368, 669210, 713824, 803052, 892280, 1003815, 1070736, 1338420, 1427648, 1606104, 1784560, 2007630, 2141472, 2676840, 2855296, 3212208, 3569120, 4015260, 4282944, 5353680, 5710592, 6424416, 7138240, 8030520, 8565888, 10707360, 12848832, 14276480, 16061040, 17131776, 21414720, 25697664, 28552960, 32122080, 42829440, 51395328, 64244160, 85658880, 128488320, 256976640]

約数ペア:

[(1, 256976640), (2, 128488320), (3, 85658880), (4, 64244160), (5, 51395328), (6, 42829440), (8, 32122080), (9, 28552960), (10, 25697664), (12, 21414720), (15, 17131776), (16, 16061040), (18, 14276480), (20, 12848832), (24, 10707360), (30, 8565888), (32, 8030520), (36, 7138240), (40, 6424416), (45, 5710592), (48, 5353680), (60, 4282944), (64, 4015260), (72, 3569120), (80, 3212208), (90, 2855296), (96, 2676840), (120, 2141472), (128, 2007630), (144, 1784560), (160, 1606104), (180, 1427648), (192, 1338420), (240, 1070736), (256, 1003815), (288, 892280), (320, 803052), (360, 713824), (384, 669210), (480, 535368), (576, 446140), (640, 401526), (720, 356912), (768, 334605), (960, 267684), (1152, 223070), (1280, 200763), (1440, 178456), (1920, 133842), (2304, 111535), (2880, 89228), (3840, 66921), (5760, 44614), (11520, 22307)]