394206720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{51329}}^1$

素因数の和:51355

約数の個数: 80

約数和(自身を含む): 1260254160

約数和(自身を除く): 866047440

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, 51329, 102658, 153987, 205316, 256645, 307974, 410632, 513290, 615948, 769935, 821264, 1026580, 1231896, 1539870, 1642528, 2053160, 2463792, 3079740, 3285056, 4106320, 4927584, 6159480, 6570112, 8212640, 9855168, 12318960, 13140224, 16425280, 19710336, 24637920, 26280448, 32850560, 39420672, 49275840, 65701120, 78841344, 98551680, 131402240, 197103360, 394206720]

約数ペア:

[(1, 394206720), (2, 197103360), (3, 131402240), (4, 98551680), (5, 78841344), (6, 65701120), (8, 49275840), (10, 39420672), (12, 32850560), (15, 26280448), (16, 24637920), (20, 19710336), (24, 16425280), (30, 13140224), (32, 12318960), (40, 9855168), (48, 8212640), (60, 6570112), (64, 6159480), (80, 4927584), (96, 4106320), (120, 3285056), (128, 3079740), (160, 2463792), (192, 2053160), (240, 1642528), (256, 1539870), (320, 1231896), (384, 1026580), (480, 821264), (512, 769935), (640, 615948), (768, 513290), (960, 410632), (1280, 307974), (1536, 256645), (1920, 205316), (2560, 153987), (3840, 102658), (7680, 51329)]