77720040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{71963}}^1$

素因数の和:71983

約数の個数: 64

約数和(自身を含む): 259070400

約数和(自身を除く): 181350360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 71963, 143926, 215889, 287852, 359815, 431778, 575704, 647667, 719630, 863556, 1079445, 1295334, 1439260, 1727112, 1943001, 2158890, 2590668, 2878520, 3238335, 3886002, 4317780, 5181336, 6476670, 7772004, 8635560, 9715005, 12953340, 15544008, 19430010, 25906680, 38860020, 77720040]

約数ペア:

[(1, 77720040), (2, 38860020), (3, 25906680), (4, 19430010), (5, 15544008), (6, 12953340), (8, 9715005), (9, 8635560), (10, 7772004), (12, 6476670), (15, 5181336), (18, 4317780), (20, 3886002), (24, 3238335), (27, 2878520), (30, 2590668), (36, 2158890), (40, 1943001), (45, 1727112), (54, 1439260), (60, 1295334), (72, 1079445), (90, 863556), (108, 719630), (120, 647667), (135, 575704), (180, 431778), (216, 359815), (270, 287852), (360, 215889), (540, 143926), (1080, 71963)]