1283434720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{491}}^1$

素因数の和:585

約数の個数: 144

約数和(自身を含む): 3324135024

約数和(自身を除く): 2040700304

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 310, 340, 491, 496, 527, 544, 620, 680, 961, 982, 992, 1054, 1240, 1360, 1922, 1964, 2108, 2455, 2480, 2635, 2720, 3844, 3928, 4216, 4805, 4910, 4960, 5270, 7688, 7856, 8347, 8432, 9610, 9820, 10540, 15221, 15376, 15712, 16337, 16694, 16864, 19220, 19640, 21080, 30442, 30752, 32674, 33388, 38440, 39280, 41735, 42160, 60884, 65348, 66776, 76105, 76880, 78560, 81685, 83470, 84320, 121768, 130696, 133552, 152210, 153760, 163370, 166940, 243536, 258757, 261392, 267104, 304420, 326740, 333880, 471851, 487072, 517514, 522784, 608840, 653480, 667760, 943702, 1035028, 1217680, 1293785, 1306960, 1335520, 1887404, 2070056, 2359255, 2435360, 2587570, 2613920, 3774808, 4140112, 4718510, 5175140, 7549616, 8021467, 8280224, 9437020, 10350280, 15099232, 16042934, 18874040, 20700560, 32085868, 37748080, 40107335, 41401120, 64171736, 75496160, 80214670, 128343472, 160429340, 256686944, 320858680, 641717360, 1283434720]

約数ペア:

[(1, 1283434720), (2, 641717360), (4, 320858680), (5, 256686944), (8, 160429340), (10, 128343472), (16, 80214670), (17, 75496160), (20, 64171736), (31, 41401120), (32, 40107335), (34, 37748080), (40, 32085868), (62, 20700560), (68, 18874040), (80, 16042934), (85, 15099232), (124, 10350280), (136, 9437020), (155, 8280224), (160, 8021467), (170, 7549616), (248, 5175140), (272, 4718510), (310, 4140112), (340, 3774808), (491, 2613920), (496, 2587570), (527, 2435360), (544, 2359255), (620, 2070056), (680, 1887404), (961, 1335520), (982, 1306960), (992, 1293785), (1054, 1217680), (1240, 1035028), (1360, 943702), (1922, 667760), (1964, 653480), (2108, 608840), (2455, 522784), (2480, 517514), (2635, 487072), (2720, 471851), (3844, 333880), (3928, 326740), (4216, 304420), (4805, 267104), (4910, 261392), (4960, 258757), (5270, 243536), (7688, 166940), (7856, 163370), (8347, 153760), (8432, 152210), (9610, 133552), (9820, 130696), (10540, 121768), (15221, 84320), (15376, 83470), (15712, 81685), (16337, 78560), (16694, 76880), (16864, 76105), (19220, 66776), (19640, 65348), (21080, 60884), (30442, 42160), (30752, 41735), (32674, 39280), (33388, 38440)]