284917280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1$

素因数の和:203

約数の個数: 144

約数和(自身を含む): 743200920

約数和(自身を除く): 458283640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 68, 80, 85, 109, 124, 136, 155, 160, 170, 218, 248, 272, 310, 340, 436, 496, 527, 544, 545, 620, 680, 872, 961, 992, 1054, 1090, 1240, 1360, 1744, 1853, 1922, 2108, 2180, 2480, 2635, 2720, 3379, 3488, 3706, 3844, 4216, 4360, 4805, 4960, 5270, 6758, 7412, 7688, 8432, 8720, 9265, 9610, 10540, 13516, 14824, 15376, 16337, 16864, 16895, 17440, 18530, 19220, 21080, 27032, 29648, 30752, 32674, 33790, 37060, 38440, 42160, 54064, 57443, 59296, 65348, 67580, 74120, 76880, 81685, 84320, 104749, 108128, 114886, 130696, 135160, 148240, 153760, 163370, 209498, 229772, 261392, 270320, 287215, 296480, 326740, 418996, 459544, 522784, 523745, 540640, 574430, 653480, 837992, 919088, 1047490, 1148860, 1306960, 1675984, 1780733, 1838176, 2094980, 2297720, 2613920, 3351968, 3561466, 4189960, 4595440, 7122932, 8379920, 8903665, 9190880, 14245864, 16759840, 17807330, 28491728, 35614660, 56983456, 71229320, 142458640, 284917280]

約数ペア:

[(1, 284917280), (2, 142458640), (4, 71229320), (5, 56983456), (8, 35614660), (10, 28491728), (16, 17807330), (17, 16759840), (20, 14245864), (31, 9190880), (32, 8903665), (34, 8379920), (40, 7122932), (62, 4595440), (68, 4189960), (80, 3561466), (85, 3351968), (109, 2613920), (124, 2297720), (136, 2094980), (155, 1838176), (160, 1780733), (170, 1675984), (218, 1306960), (248, 1148860), (272, 1047490), (310, 919088), (340, 837992), (436, 653480), (496, 574430), (527, 540640), (544, 523745), (545, 522784), (620, 459544), (680, 418996), (872, 326740), (961, 296480), (992, 287215), (1054, 270320), (1090, 261392), (1240, 229772), (1360, 209498), (1744, 163370), (1853, 153760), (1922, 148240), (2108, 135160), (2180, 130696), (2480, 114886), (2635, 108128), (2720, 104749), (3379, 84320), (3488, 81685), (3706, 76880), (3844, 74120), (4216, 67580), (4360, 65348), (4805, 59296), (4960, 57443), (5270, 54064), (6758, 42160), (7412, 38440), (7688, 37060), (8432, 33790), (8720, 32674), (9265, 30752), (9610, 29648), (10540, 27032), (13516, 21080), (14824, 19220), (15376, 18530), (16337, 17440), (16864, 16895)]