640183680

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{111143}}^1$

素因数の和:111168

約数の個数: 96

約数和(自身を含む): 2210654160

約数和(自身を除く): 1570470480

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, 111143, 222286, 333429, 444572, 555715, 666858, 889144, 1000287, 1111430, 1333716, 1667145, 1778288, 2000574, 2222860, 2667432, 3334290, 3556576, 4001148, 4445720, 5001435, 5334864, 6668580, 7113152, 8002296, 8891440, 10002870, 10669728, 13337160, 14226304, 16004592, 17782880, 20005740, 21339456, 26674320, 32009184, 35565760, 40011480, 42678912, 53348640, 64018368, 71131520, 80022960, 106697280, 128036736, 160045920, 213394560, 320091840, 640183680]

約数ペア:

[(1, 640183680), (2, 320091840), (3, 213394560), (4, 160045920), (5, 128036736), (6, 106697280), (8, 80022960), (9, 71131520), (10, 64018368), (12, 53348640), (15, 42678912), (16, 40011480), (18, 35565760), (20, 32009184), (24, 26674320), (30, 21339456), (32, 20005740), (36, 17782880), (40, 16004592), (45, 14226304), (48, 13337160), (60, 10669728), (64, 10002870), (72, 8891440), (80, 8002296), (90, 7113152), (96, 6668580), (120, 5334864), (128, 5001435), (144, 4445720), (160, 4001148), (180, 3556576), (192, 3334290), (240, 2667432), (288, 2222860), (320, 2000574), (360, 1778288), (384, 1667145), (480, 1333716), (576, 1111430), (640, 1000287), (720, 889144), (960, 666858), (1152, 555715), (1440, 444572), (1920, 333429), (2880, 222286), (5760, 111143)]