78939280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1931}}^1$

素因数の和:2024

約数の個数: 80

約数和(自身を含む): 212736384

約数和(自身を除く): 133797104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 1931, 2044, 2555, 2920, 3862, 4088, 5110, 5840, 7724, 8176, 9655, 10220, 13517, 15448, 19310, 20440, 27034, 30896, 38620, 40880, 54068, 67585, 77240, 108136, 135170, 140963, 154480, 216272, 270340, 281926, 540680, 563852, 704815, 986741, 1081360, 1127704, 1409630, 1973482, 2255408, 2819260, 3946964, 4933705, 5638520, 7893928, 9867410, 11277040, 15787856, 19734820, 39469640, 78939280]

約数ペア:

[(1, 78939280), (2, 39469640), (4, 19734820), (5, 15787856), (7, 11277040), (8, 9867410), (10, 7893928), (14, 5638520), (16, 4933705), (20, 3946964), (28, 2819260), (35, 2255408), (40, 1973482), (56, 1409630), (70, 1127704), (73, 1081360), (80, 986741), (112, 704815), (140, 563852), (146, 540680), (280, 281926), (292, 270340), (365, 216272), (511, 154480), (560, 140963), (584, 135170), (730, 108136), (1022, 77240), (1168, 67585), (1460, 54068), (1931, 40880), (2044, 38620), (2555, 30896), (2920, 27034), (3862, 20440), (4088, 19310), (5110, 15448), (5840, 13517), (7724, 10220), (8176, 9655)]