65939720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:379

約数の個数: 128

約数和(自身を含む): 188006400

約数和(自身を除く): 122066680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 79, 88, 110, 140, 154, 158, 220, 271, 280, 308, 316, 385, 395, 440, 542, 553, 616, 632, 770, 790, 869, 1084, 1106, 1355, 1540, 1580, 1738, 1897, 2168, 2212, 2710, 2765, 2981, 3080, 3160, 3476, 3794, 4345, 4424, 5420, 5530, 5962, 6083, 6952, 7588, 8690, 9485, 10840, 11060, 11924, 12166, 14905, 15176, 17380, 18970, 20867, 21409, 22120, 23848, 24332, 29810, 30415, 34760, 37940, 41734, 42818, 48664, 59620, 60830, 75880, 83468, 85636, 104335, 107045, 119240, 121660, 149863, 166936, 171272, 208670, 214090, 235499, 243320, 299726, 417340, 428180, 470998, 599452, 749315, 834680, 856360, 941996, 1177495, 1198904, 1498630, 1648493, 1883992, 2354990, 2997260, 3296986, 4709980, 5994520, 6593972, 8242465, 9419960, 13187944, 16484930, 32969860, 65939720]

約数ペア:

[(1, 65939720), (2, 32969860), (4, 16484930), (5, 13187944), (7, 9419960), (8, 8242465), (10, 6593972), (11, 5994520), (14, 4709980), (20, 3296986), (22, 2997260), (28, 2354990), (35, 1883992), (40, 1648493), (44, 1498630), (55, 1198904), (56, 1177495), (70, 941996), (77, 856360), (79, 834680), (88, 749315), (110, 599452), (140, 470998), (154, 428180), (158, 417340), (220, 299726), (271, 243320), (280, 235499), (308, 214090), (316, 208670), (385, 171272), (395, 166936), (440, 149863), (542, 121660), (553, 119240), (616, 107045), (632, 104335), (770, 85636), (790, 83468), (869, 75880), (1084, 60830), (1106, 59620), (1355, 48664), (1540, 42818), (1580, 41734), (1738, 37940), (1897, 34760), (2168, 30415), (2212, 29810), (2710, 24332), (2765, 23848), (2981, 22120), (3080, 21409), (3160, 20867), (3476, 18970), (3794, 17380), (4345, 15176), (4424, 14905), (5420, 12166), (5530, 11924), (5962, 11060), (6083, 10840), (6952, 9485), (7588, 8690)]