128941440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{67157}}^1$

素因数の和:67179

約数の個数: 64

約数和(自身を含む): 411006960

約数和(自身を除く): 282065520

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, 67157, 134314, 201471, 268628, 335785, 402942, 537256, 671570, 805884, 1007355, 1074512, 1343140, 1611768, 2014710, 2149024, 2686280, 3223536, 4029420, 4298048, 5372560, 6447072, 8058840, 8596096, 10745120, 12894144, 16117680, 21490240, 25788288, 32235360, 42980480, 64470720, 128941440]

約数ペア:

[(1, 128941440), (2, 64470720), (3, 42980480), (4, 32235360), (5, 25788288), (6, 21490240), (8, 16117680), (10, 12894144), (12, 10745120), (15, 8596096), (16, 8058840), (20, 6447072), (24, 5372560), (30, 4298048), (32, 4029420), (40, 3223536), (48, 2686280), (60, 2149024), (64, 2014710), (80, 1611768), (96, 1343140), (120, 1074512), (128, 1007355), (160, 805884), (192, 671570), (240, 537256), (320, 402942), (384, 335785), (480, 268628), (640, 201471), (960, 134314), (1920, 67157)]