81824120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{383}}^1$

素因数の和:517

約数の個数: 96

約数和(自身を含む): 216691200

約数和(自身を除く): 134867080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 109, 140, 196, 218, 245, 280, 383, 392, 436, 490, 545, 763, 766, 872, 980, 1090, 1526, 1532, 1915, 1960, 2180, 2681, 3052, 3064, 3815, 3830, 4360, 5341, 5362, 6104, 7630, 7660, 10682, 10724, 13405, 15260, 15320, 18767, 21364, 21448, 26705, 26810, 30520, 37534, 41747, 42728, 53410, 53620, 75068, 83494, 93835, 106820, 107240, 150136, 166988, 187670, 208735, 213640, 292229, 333976, 375340, 417470, 584458, 750680, 834940, 1168916, 1461145, 1669880, 2045603, 2337832, 2922290, 4091206, 5844580, 8182412, 10228015, 11689160, 16364824, 20456030, 40912060, 81824120]

約数ペア:

[(1, 81824120), (2, 40912060), (4, 20456030), (5, 16364824), (7, 11689160), (8, 10228015), (10, 8182412), (14, 5844580), (20, 4091206), (28, 2922290), (35, 2337832), (40, 2045603), (49, 1669880), (56, 1461145), (70, 1168916), (98, 834940), (109, 750680), (140, 584458), (196, 417470), (218, 375340), (245, 333976), (280, 292229), (383, 213640), (392, 208735), (436, 187670), (490, 166988), (545, 150136), (763, 107240), (766, 106820), (872, 93835), (980, 83494), (1090, 75068), (1526, 53620), (1532, 53410), (1915, 42728), (1960, 41747), (2180, 37534), (2681, 30520), (3052, 26810), (3064, 26705), (3815, 21448), (3830, 21364), (4360, 18767), (5341, 15320), (5362, 15260), (6104, 13405), (7630, 10724), (7660, 10682)]