256767360

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{133733}}^1$

素因数の和:133755

約数の個数: 64

約数和(自身を含む): 818452080

約数和(自身を除く): 561684720

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, 320, 384, 480, 640, 960, 1920, 133733, 267466, 401199, 534932, 668665, 802398, 1069864, 1337330, 1604796, 2005995, 2139728, 2674660, 3209592, 4011990, 4279456, 5349320, 6419184, 8023980, 8558912, 10698640, 12838368, 16047960, 17117824, 21397280, 25676736, 32095920, 42794560, 51353472, 64191840, 85589120, 128383680, 256767360]

約数ペア:

[(1, 256767360), (2, 128383680), (3, 85589120), (4, 64191840), (5, 51353472), (6, 42794560), (8, 32095920), (10, 25676736), (12, 21397280), (15, 17117824), (16, 16047960), (20, 12838368), (24, 10698640), (30, 8558912), (32, 8023980), (40, 6419184), (48, 5349320), (60, 4279456), (64, 4011990), (80, 3209592), (96, 2674660), (120, 2139728), (128, 2005995), (160, 1604796), (192, 1337330), (240, 1069864), (320, 802398), (384, 668665), (480, 534932), (640, 401199), (960, 267466), (1920, 133733)]