68378880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17807}}^1$

素因数の和:17831

約数の個数: 72

約数和(自身を含む): 218397312

約数和(自身を除く): 150018432

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, 17807, 35614, 53421, 71228, 89035, 106842, 142456, 178070, 213684, 267105, 284912, 356140, 427368, 534210, 569824, 712280, 854736, 1068420, 1139648, 1424560, 1709472, 2136840, 2279296, 2849120, 3418944, 4273680, 4558592, 5698240, 6837888, 8547360, 11396480, 13675776, 17094720, 22792960, 34189440, 68378880]

約数ペア:

[(1, 68378880), (2, 34189440), (3, 22792960), (4, 17094720), (5, 13675776), (6, 11396480), (8, 8547360), (10, 6837888), (12, 5698240), (15, 4558592), (16, 4273680), (20, 3418944), (24, 2849120), (30, 2279296), (32, 2136840), (40, 1709472), (48, 1424560), (60, 1139648), (64, 1068420), (80, 854736), (96, 712280), (120, 569824), (128, 534210), (160, 427368), (192, 356140), (240, 284912), (256, 267105), (320, 213684), (384, 178070), (480, 142456), (640, 106842), (768, 89035), (960, 71228), (1280, 53421), (1920, 35614), (3840, 17807)]