1344981520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:393

約数の個数: 160

約数和(自身を含む): 3435315840

約数和(自身を除く): 2090334320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 109, 136, 170, 172, 211, 215, 218, 272, 340, 344, 422, 430, 436, 545, 680, 688, 731, 844, 860, 872, 1055, 1090, 1360, 1462, 1688, 1720, 1744, 1853, 2110, 2180, 2924, 3376, 3440, 3587, 3655, 3706, 4220, 4360, 4687, 5848, 7174, 7310, 7412, 8440, 8720, 9073, 9265, 9374, 11696, 14348, 14620, 14824, 16880, 17935, 18146, 18530, 18748, 22999, 23435, 28696, 29240, 29648, 35870, 36292, 37060, 37496, 45365, 45998, 46870, 57392, 58480, 71740, 72584, 74120, 74992, 79679, 90730, 91996, 93740, 114995, 143480, 145168, 148240, 154241, 159358, 181460, 183992, 187480, 229990, 286960, 308482, 318716, 362920, 367984, 374960, 390983, 398395, 459980, 616964, 637432, 725840, 771205, 781966, 796790, 919960, 988957, 1233928, 1274864, 1542410, 1563932, 1593580, 1839920, 1954915, 1977914, 2467856, 3084820, 3127864, 3187160, 3909830, 3955828, 4944785, 6169640, 6255728, 6374320, 7819660, 7911656, 9889570, 12339280, 15639320, 15823312, 16812269, 19779140, 31278640, 33624538, 39558280, 67249076, 79116560, 84061345, 134498152, 168122690, 268996304, 336245380, 672490760, 1344981520]

約数ペア:

[(1, 1344981520), (2, 672490760), (4, 336245380), (5, 268996304), (8, 168122690), (10, 134498152), (16, 84061345), (17, 79116560), (20, 67249076), (34, 39558280), (40, 33624538), (43, 31278640), (68, 19779140), (80, 16812269), (85, 15823312), (86, 15639320), (109, 12339280), (136, 9889570), (170, 7911656), (172, 7819660), (211, 6374320), (215, 6255728), (218, 6169640), (272, 4944785), (340, 3955828), (344, 3909830), (422, 3187160), (430, 3127864), (436, 3084820), (545, 2467856), (680, 1977914), (688, 1954915), (731, 1839920), (844, 1593580), (860, 1563932), (872, 1542410), (1055, 1274864), (1090, 1233928), (1360, 988957), (1462, 919960), (1688, 796790), (1720, 781966), (1744, 771205), (1853, 725840), (2110, 637432), (2180, 616964), (2924, 459980), (3376, 398395), (3440, 390983), (3587, 374960), (3655, 367984), (3706, 362920), (4220, 318716), (4360, 308482), (4687, 286960), (5848, 229990), (7174, 187480), (7310, 183992), (7412, 181460), (8440, 159358), (8720, 154241), (9073, 148240), (9265, 145168), (9374, 143480), (11696, 114995), (14348, 93740), (14620, 91996), (14824, 90730), (16880, 79679), (17935, 74992), (18146, 74120), (18530, 72584), (18748, 71740), (22999, 58480), (23435, 57392), (28696, 46870), (29240, 45998), (29648, 45365), (35870, 37496), (36292, 37060)]