78390960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17191}}^1$

素因数の和:17226

約数の個数: 80

約数和(自身を含む): 255816960

約数和(自身を除く): 177426000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 17191, 34382, 51573, 68764, 85955, 103146, 137528, 171910, 206292, 257865, 275056, 326629, 343820, 412584, 515730, 653258, 687640, 825168, 979887, 1031460, 1306516, 1375280, 1633145, 1959774, 2062920, 2613032, 3266290, 3919548, 4125840, 4899435, 5226064, 6532580, 7839096, 9798870, 13065160, 15678192, 19597740, 26130320, 39195480, 78390960]

約数ペア:

[(1, 78390960), (2, 39195480), (3, 26130320), (4, 19597740), (5, 15678192), (6, 13065160), (8, 9798870), (10, 7839096), (12, 6532580), (15, 5226064), (16, 4899435), (19, 4125840), (20, 3919548), (24, 3266290), (30, 2613032), (38, 2062920), (40, 1959774), (48, 1633145), (57, 1375280), (60, 1306516), (76, 1031460), (80, 979887), (95, 825168), (114, 687640), (120, 653258), (152, 515730), (190, 412584), (228, 343820), (240, 326629), (285, 275056), (304, 257865), (380, 206292), (456, 171910), (570, 137528), (760, 103146), (912, 85955), (1140, 68764), (1520, 51573), (2280, 34382), (4560, 17191)]