72798520

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 168311520

約数和(自身を除く): 95513000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 107, 146, 214, 233, 292, 365, 428, 466, 535, 584, 730, 856, 932, 1070, 1165, 1460, 1864, 2140, 2330, 2920, 4280, 4660, 7811, 9320, 15622, 17009, 24931, 31244, 34018, 39055, 49862, 62488, 68036, 78110, 85045, 99724, 124655, 136072, 156220, 170090, 199448, 249310, 312440, 340180, 498620, 680360, 997240, 1819963, 3639926, 7279852, 9099815, 14559704, 18199630, 36399260, 72798520]

約数ペア:

[(1, 72798520), (2, 36399260), (4, 18199630), (5, 14559704), (8, 9099815), (10, 7279852), (20, 3639926), (40, 1819963), (73, 997240), (107, 680360), (146, 498620), (214, 340180), (233, 312440), (292, 249310), (365, 199448), (428, 170090), (466, 156220), (535, 136072), (584, 124655), (730, 99724), (856, 85045), (932, 78110), (1070, 68036), (1165, 62488), (1460, 49862), (1864, 39055), (2140, 34018), (2330, 31244), (2920, 24931), (4280, 17009), (4660, 15622), (7811, 9320)]