138760320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{72271}}^1$

素因数の和:72293

約数の個数: 64

約数和(自身を含む): 442304640

約数和(自身を除く): 303544320

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, 72271, 144542, 216813, 289084, 361355, 433626, 578168, 722710, 867252, 1084065, 1156336, 1445420, 1734504, 2168130, 2312672, 2890840, 3469008, 4336260, 4625344, 5781680, 6938016, 8672520, 9250688, 11563360, 13876032, 17345040, 23126720, 27752064, 34690080, 46253440, 69380160, 138760320]

約数ペア:

[(1, 138760320), (2, 69380160), (3, 46253440), (4, 34690080), (5, 27752064), (6, 23126720), (8, 17345040), (10, 13876032), (12, 11563360), (15, 9250688), (16, 8672520), (20, 6938016), (24, 5781680), (30, 4625344), (32, 4336260), (40, 3469008), (48, 2890840), (60, 2312672), (64, 2168130), (80, 1734504), (96, 1445420), (120, 1156336), (128, 1084065), (160, 867252), (192, 722710), (240, 578168), (320, 433626), (384, 361355), (480, 289084), (640, 216813), (960, 144542), (1920, 72271)]