255880320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{133271}}^1$

素因数の和:133293

約数の個数: 64

約数和(自身を含む): 815624640

約数和(自身を除く): 559744320

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, 133271, 266542, 399813, 533084, 666355, 799626, 1066168, 1332710, 1599252, 1999065, 2132336, 2665420, 3198504, 3998130, 4264672, 5330840, 6397008, 7996260, 8529344, 10661680, 12794016, 15992520, 17058688, 21323360, 25588032, 31985040, 42646720, 51176064, 63970080, 85293440, 127940160, 255880320]

約数ペア:

[(1, 255880320), (2, 127940160), (3, 85293440), (4, 63970080), (5, 51176064), (6, 42646720), (8, 31985040), (10, 25588032), (12, 21323360), (15, 17058688), (16, 15992520), (20, 12794016), (24, 10661680), (30, 8529344), (32, 7996260), (40, 6397008), (48, 5330840), (60, 4264672), (64, 3998130), (80, 3198504), (96, 2665420), (120, 2132336), (128, 1999065), (160, 1599252), (192, 1332710), (240, 1066168), (320, 799626), (384, 666355), (480, 533084), (640, 399813), (960, 266542), (1920, 133271)]