160971520

素因数分解:

$2^8\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1877}}^1$

素因数の和:1965

約数の個数: 72

約数和(自身を含む): 391540464

約数和(自身を除く): 230568944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 256, 268, 320, 335, 536, 640, 670, 1072, 1280, 1340, 1877, 2144, 2680, 3754, 4288, 5360, 7508, 8576, 9385, 10720, 15016, 17152, 18770, 21440, 30032, 37540, 42880, 60064, 75080, 85760, 120128, 125759, 150160, 240256, 251518, 300320, 480512, 503036, 600640, 628795, 1006072, 1201280, 1257590, 2012144, 2402560, 2515180, 4024288, 5030360, 8048576, 10060720, 16097152, 20121440, 32194304, 40242880, 80485760, 160971520]

約数ペア:

[(1, 160971520), (2, 80485760), (4, 40242880), (5, 32194304), (8, 20121440), (10, 16097152), (16, 10060720), (20, 8048576), (32, 5030360), (40, 4024288), (64, 2515180), (67, 2402560), (80, 2012144), (128, 1257590), (134, 1201280), (160, 1006072), (256, 628795), (268, 600640), (320, 503036), (335, 480512), (536, 300320), (640, 251518), (670, 240256), (1072, 150160), (1280, 125759), (1340, 120128), (1877, 85760), (2144, 75080), (2680, 60064), (3754, 42880), (4288, 37540), (5360, 30032), (7508, 21440), (8576, 18770), (9385, 17152), (10720, 15016)]