215076720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4549}}^1$

素因数の和:4762

約数の個数: 80

約数和(自身を含む): 670269600

約数和(自身を除く): 455192880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 394, 591, 788, 985, 1182, 1576, 1970, 2364, 2955, 3152, 3940, 4549, 4728, 5910, 7880, 9098, 9456, 11820, 13647, 15760, 18196, 22745, 23640, 27294, 36392, 45490, 47280, 54588, 68235, 72784, 90980, 109176, 136470, 181960, 218352, 272940, 363920, 545880, 896153, 1091760, 1792306, 2688459, 3584612, 4480765, 5376918, 7169224, 8961530, 10753836, 13442295, 14338448, 17923060, 21507672, 26884590, 35846120, 43015344, 53769180, 71692240, 107538360, 215076720]

約数ペア:

[(1, 215076720), (2, 107538360), (3, 71692240), (4, 53769180), (5, 43015344), (6, 35846120), (8, 26884590), (10, 21507672), (12, 17923060), (15, 14338448), (16, 13442295), (20, 10753836), (24, 8961530), (30, 7169224), (40, 5376918), (48, 4480765), (60, 3584612), (80, 2688459), (120, 1792306), (197, 1091760), (240, 896153), (394, 545880), (591, 363920), (788, 272940), (985, 218352), (1182, 181960), (1576, 136470), (1970, 109176), (2364, 90980), (2955, 72784), (3152, 68235), (3940, 54588), (4549, 47280), (4728, 45490), (5910, 36392), (7880, 27294), (9098, 23640), (9456, 22745), (11820, 18196), (13647, 15760)]