72172640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23741}}^1$

素因数の和:23775

約数の個数: 48

約数和(自身を含む): 179489520

約数和(自身を除く): 107316880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 23741, 47482, 94964, 118705, 189928, 237410, 379856, 451079, 474820, 759712, 902158, 949640, 1804316, 1899280, 2255395, 3608632, 3798560, 4510790, 7217264, 9021580, 14434528, 18043160, 36086320, 72172640]

約数ペア:

[(1, 72172640), (2, 36086320), (4, 18043160), (5, 14434528), (8, 9021580), (10, 7217264), (16, 4510790), (19, 3798560), (20, 3608632), (32, 2255395), (38, 1899280), (40, 1804316), (76, 949640), (80, 902158), (95, 759712), (152, 474820), (160, 451079), (190, 379856), (304, 237410), (380, 189928), (608, 118705), (760, 94964), (1520, 47482), (3040, 23741)]