438435840

素因数分解:

$2^{17}\times 3^1\times 5^1\times {\mathrm{223}}^1$

素因数の和:265

約数の個数: 144

約数和(自身を含む): 1409280768

約数和(自身を除く): 970844928

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, 223, 240, 256, 320, 384, 446, 480, 512, 640, 669, 768, 892, 960, 1024, 1115, 1280, 1338, 1536, 1784, 1920, 2048, 2230, 2560, 2676, 3072, 3345, 3568, 3840, 4096, 4460, 5120, 5352, 6144, 6690, 7136, 7680, 8192, 8920, 10240, 10704, 12288, 13380, 14272, 15360, 16384, 17840, 20480, 21408, 24576, 26760, 28544, 30720, 32768, 35680, 40960, 42816, 49152, 53520, 57088, 61440, 65536, 71360, 81920, 85632, 98304, 107040, 114176, 122880, 131072, 142720, 163840, 171264, 196608, 214080, 228352, 245760, 285440, 327680, 342528, 393216, 428160, 456704, 491520, 570880, 655360, 685056, 856320, 913408, 983040, 1141760, 1370112, 1712640, 1826816, 1966080, 2283520, 2740224, 3425280, 3653632, 4567040, 5480448, 6850560, 7307264, 9134080, 10960896, 13701120, 14614528, 18268160, 21921792, 27402240, 29229056, 36536320, 43843584, 54804480, 73072640, 87687168, 109608960, 146145280, 219217920, 438435840]

約数ペア:

[(1, 438435840), (2, 219217920), (3, 146145280), (4, 109608960), (5, 87687168), (6, 73072640), (8, 54804480), (10, 43843584), (12, 36536320), (15, 29229056), (16, 27402240), (20, 21921792), (24, 18268160), (30, 14614528), (32, 13701120), (40, 10960896), (48, 9134080), (60, 7307264), (64, 6850560), (80, 5480448), (96, 4567040), (120, 3653632), (128, 3425280), (160, 2740224), (192, 2283520), (223, 1966080), (240, 1826816), (256, 1712640), (320, 1370112), (384, 1141760), (446, 983040), (480, 913408), (512, 856320), (640, 685056), (669, 655360), (768, 570880), (892, 491520), (960, 456704), (1024, 428160), (1115, 393216), (1280, 342528), (1338, 327680), (1536, 285440), (1784, 245760), (1920, 228352), (2048, 214080), (2230, 196608), (2560, 171264), (2676, 163840), (3072, 142720), (3345, 131072), (3568, 122880), (3840, 114176), (4096, 107040), (4460, 98304), (5120, 85632), (5352, 81920), (6144, 71360), (6690, 65536), (7136, 61440), (7680, 57088), (8192, 53520), (8920, 49152), (10240, 42816), (10704, 40960), (12288, 35680), (13380, 32768), (14272, 30720), (15360, 28544), (16384, 26760), (17840, 24576), (20480, 21408)]