279997440

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{18229}}^1$

素因数の和:18257

約数の個数: 88

約数和(自身を含む): 895603440

約数和(自身を除く): 615606000

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, 1024, 1280, 1536, 1920, 2560, 3072, 3840, 5120, 7680, 15360, 18229, 36458, 54687, 72916, 91145, 109374, 145832, 182290, 218748, 273435, 291664, 364580, 437496, 546870, 583328, 729160, 874992, 1093740, 1166656, 1458320, 1749984, 2187480, 2333312, 2916640, 3499968, 4374960, 4666624, 5833280, 6999936, 8749920, 9333248, 11666560, 13999872, 17499840, 18666496, 23333120, 27999744, 34999680, 46666240, 55999488, 69999360, 93332480, 139998720, 279997440]

約数ペア:

[(1, 279997440), (2, 139998720), (3, 93332480), (4, 69999360), (5, 55999488), (6, 46666240), (8, 34999680), (10, 27999744), (12, 23333120), (15, 18666496), (16, 17499840), (20, 13999872), (24, 11666560), (30, 9333248), (32, 8749920), (40, 6999936), (48, 5833280), (60, 4666624), (64, 4374960), (80, 3499968), (96, 2916640), (120, 2333312), (128, 2187480), (160, 1749984), (192, 1458320), (240, 1166656), (256, 1093740), (320, 874992), (384, 729160), (480, 583328), (512, 546870), (640, 437496), (768, 364580), (960, 291664), (1024, 273435), (1280, 218748), (1536, 182290), (1920, 145832), (2560, 109374), (3072, 91145), (3840, 72916), (5120, 54687), (7680, 36458), (15360, 18229)]