644522880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{335689}}^1$

素因数の和:335711

約数の個数: 64

約数和(自身を含む): 2054422800

約数和(自身を除く): 1409899920

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, 335689, 671378, 1007067, 1342756, 1678445, 2014134, 2685512, 3356890, 4028268, 5035335, 5371024, 6713780, 8056536, 10070670, 10742048, 13427560, 16113072, 20141340, 21484096, 26855120, 32226144, 40282680, 42968192, 53710240, 64452288, 80565360, 107420480, 128904576, 161130720, 214840960, 322261440, 644522880]

約数ペア:

[(1, 644522880), (2, 322261440), (3, 214840960), (4, 161130720), (5, 128904576), (6, 107420480), (8, 80565360), (10, 64452288), (12, 53710240), (15, 42968192), (16, 40282680), (20, 32226144), (24, 26855120), (30, 21484096), (32, 20141340), (40, 16113072), (48, 13427560), (60, 10742048), (64, 10070670), (80, 8056536), (96, 6713780), (120, 5371024), (128, 5035335), (160, 4028268), (192, 3356890), (240, 2685512), (320, 2014134), (384, 1678445), (480, 1342756), (640, 1007067), (960, 671378), (1920, 335689)]