256980480

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{33461}}^1$

素因数の和:33487

約数の個数: 80

約数和(自身を含む): 821559024

約数和(自身を除く): 564578544

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, 33461, 66922, 100383, 133844, 167305, 200766, 267688, 334610, 401532, 501915, 535376, 669220, 803064, 1003830, 1070752, 1338440, 1606128, 2007660, 2141504, 2676880, 3212256, 4015320, 4283008, 5353760, 6424512, 8030640, 8566016, 10707520, 12849024, 16061280, 17132032, 21415040, 25698048, 32122560, 42830080, 51396096, 64245120, 85660160, 128490240, 256980480]

約数ペア:

[(1, 256980480), (2, 128490240), (3, 85660160), (4, 64245120), (5, 51396096), (6, 42830080), (8, 32122560), (10, 25698048), (12, 21415040), (15, 17132032), (16, 16061280), (20, 12849024), (24, 10707520), (30, 8566016), (32, 8030640), (40, 6424512), (48, 5353760), (60, 4283008), (64, 4015320), (80, 3212256), (96, 2676880), (120, 2141504), (128, 2007660), (160, 1606128), (192, 1338440), (240, 1070752), (256, 1003830), (320, 803064), (384, 669220), (480, 535376), (512, 501915), (640, 401532), (768, 334610), (960, 267688), (1280, 200766), (1536, 167305), (1920, 133844), (2560, 100383), (3840, 66922), (7680, 33461)]