128248320

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{16699}}^1$

素因数の和:16725

約数の個数: 80

約数和(自身を含む): 410018400

約数和(自身を除く): 281770080

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, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 16699, 33398, 50097, 66796, 83495, 100194, 133592, 166990, 200388, 250485, 267184, 333980, 400776, 500970, 534368, 667960, 801552, 1001940, 1068736, 1335920, 1603104, 2003880, 2137472, 2671840, 3206208, 4007760, 4274944, 5343680, 6412416, 8015520, 8549888, 10687360, 12824832, 16031040, 21374720, 25649664, 32062080, 42749440, 64124160, 128248320]

約数ペア:

[(1, 128248320), (2, 64124160), (3, 42749440), (4, 32062080), (5, 25649664), (6, 21374720), (8, 16031040), (10, 12824832), (12, 10687360), (15, 8549888), (16, 8015520), (20, 6412416), (24, 5343680), (30, 4274944), (32, 4007760), (40, 3206208), (48, 2671840), (60, 2137472), (64, 2003880), (80, 1603104), (96, 1335920), (120, 1068736), (128, 1001940), (160, 801552), (192, 667960), (240, 534368), (256, 500970), (320, 400776), (384, 333980), (480, 267184), (512, 250485), (640, 200388), (768, 166990), (960, 133592), (1280, 100194), (1536, 83495), (1920, 66796), (2560, 50097), (3840, 33398), (7680, 16699)]