129984320

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21379}}^1$

素因数の和:21415

約数の個数: 56

約数和(自身を含む): 325831200

約数和(自身を除く): 195846880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 21379, 42758, 85516, 106895, 171032, 213790, 342064, 406201, 427580, 684128, 812402, 855160, 1368256, 1624804, 1710320, 2031005, 3249608, 3420640, 4062010, 6499216, 6841280, 8124020, 12998432, 16248040, 25996864, 32496080, 64992160, 129984320]

約数ペア:

[(1, 129984320), (2, 64992160), (4, 32496080), (5, 25996864), (8, 16248040), (10, 12998432), (16, 8124020), (19, 6841280), (20, 6499216), (32, 4062010), (38, 3420640), (40, 3249608), (64, 2031005), (76, 1710320), (80, 1624804), (95, 1368256), (152, 855160), (160, 812402), (190, 684128), (304, 427580), (320, 406201), (380, 342064), (608, 213790), (760, 171032), (1216, 106895), (1520, 85516), (3040, 42758), (6080, 21379)]