642291840

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{111509}}^1$

素因数の和:111534

約数の個数: 96

約数和(自身を含む): 2217933900

約数和(自身を除く): 1575642060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 111509, 223018, 334527, 446036, 557545, 669054, 892072, 1003581, 1115090, 1338108, 1672635, 1784144, 2007162, 2230180, 2676216, 3345270, 3568288, 4014324, 4460360, 5017905, 5352432, 6690540, 7136576, 8028648, 8920720, 10035810, 10704864, 13381080, 14273152, 16057296, 17841440, 20071620, 21409728, 26762160, 32114592, 35682880, 40143240, 42819456, 53524320, 64229184, 71365760, 80286480, 107048640, 128458368, 160572960, 214097280, 321145920, 642291840]

約数ペア:

[(1, 642291840), (2, 321145920), (3, 214097280), (4, 160572960), (5, 128458368), (6, 107048640), (8, 80286480), (9, 71365760), (10, 64229184), (12, 53524320), (15, 42819456), (16, 40143240), (18, 35682880), (20, 32114592), (24, 26762160), (30, 21409728), (32, 20071620), (36, 17841440), (40, 16057296), (45, 14273152), (48, 13381080), (60, 10704864), (64, 10035810), (72, 8920720), (80, 8028648), (90, 7136576), (96, 6690540), (120, 5352432), (128, 5017905), (144, 4460360), (160, 4014324), (180, 3568288), (192, 3345270), (240, 2676216), (288, 2230180), (320, 2007162), (360, 1784144), (384, 1672635), (480, 1338108), (576, 1115090), (640, 1003581), (720, 892072), (960, 669054), (1152, 557545), (1440, 446036), (1920, 334527), (2880, 223018), (5760, 111509)]