1388821080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{373339}}^1$

素因数の和:373384

約数の個数: 64

約数和(自身を含む): 4300876800

約数和(自身を除く): 2912055720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 373339, 746678, 1120017, 1493356, 1866695, 2240034, 2986712, 3733390, 4480068, 5600085, 7466780, 8960136, 11200170, 11573509, 14933560, 22400340, 23147018, 34720527, 44800680, 46294036, 57867545, 69441054, 92588072, 115735090, 138882108, 173602635, 231470180, 277764216, 347205270, 462940360, 694410540, 1388821080]

約数ペア:

[(1, 1388821080), (2, 694410540), (3, 462940360), (4, 347205270), (5, 277764216), (6, 231470180), (8, 173602635), (10, 138882108), (12, 115735090), (15, 92588072), (20, 69441054), (24, 57867545), (30, 46294036), (31, 44800680), (40, 34720527), (60, 23147018), (62, 22400340), (93, 14933560), (120, 11573509), (124, 11200170), (155, 8960136), (186, 7466780), (248, 5600085), (310, 4480068), (372, 3733390), (465, 2986712), (620, 2240034), (744, 1866695), (930, 1493356), (1240, 1120017), (1860, 746678), (3720, 373339)]