77719920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:519

約数の個数: 160

約数和(自身を含む): 261626112

約数和(自身を除く): 183906192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 43, 48, 51, 60, 68, 80, 85, 86, 102, 120, 129, 136, 170, 172, 204, 215, 240, 255, 258, 272, 340, 344, 408, 430, 443, 510, 516, 645, 680, 688, 731, 816, 860, 886, 1020, 1032, 1290, 1329, 1360, 1462, 1720, 1772, 2040, 2064, 2193, 2215, 2580, 2658, 2924, 3440, 3544, 3655, 4080, 4386, 4430, 5160, 5316, 5848, 6645, 7088, 7310, 7531, 8772, 8860, 10320, 10632, 10965, 11696, 13290, 14620, 15062, 17544, 17720, 19049, 21264, 21930, 22593, 26580, 29240, 30124, 35088, 35440, 37655, 38098, 43860, 45186, 53160, 57147, 58480, 60248, 75310, 76196, 87720, 90372, 95245, 106320, 112965, 114294, 120496, 150620, 152392, 175440, 180744, 190490, 225930, 228588, 285735, 301240, 304784, 323833, 361488, 380980, 451860, 457176, 571470, 602480, 647666, 761960, 903720, 914352, 971499, 1142940, 1295332, 1523920, 1619165, 1807440, 1942998, 2285880, 2590664, 3238330, 3885996, 4571760, 4857495, 5181328, 6476660, 7771992, 9714990, 12953320, 15543984, 19429980, 25906640, 38859960, 77719920]

約数ペア:

[(1, 77719920), (2, 38859960), (3, 25906640), (4, 19429980), (5, 15543984), (6, 12953320), (8, 9714990), (10, 7771992), (12, 6476660), (15, 5181328), (16, 4857495), (17, 4571760), (20, 3885996), (24, 3238330), (30, 2590664), (34, 2285880), (40, 1942998), (43, 1807440), (48, 1619165), (51, 1523920), (60, 1295332), (68, 1142940), (80, 971499), (85, 914352), (86, 903720), (102, 761960), (120, 647666), (129, 602480), (136, 571470), (170, 457176), (172, 451860), (204, 380980), (215, 361488), (240, 323833), (255, 304784), (258, 301240), (272, 285735), (340, 228588), (344, 225930), (408, 190490), (430, 180744), (443, 175440), (510, 152392), (516, 150620), (645, 120496), (680, 114294), (688, 112965), (731, 106320), (816, 95245), (860, 90372), (886, 87720), (1020, 76196), (1032, 75310), (1290, 60248), (1329, 58480), (1360, 57147), (1462, 53160), (1720, 45186), (1772, 43860), (2040, 38098), (2064, 37655), (2193, 35440), (2215, 35088), (2580, 30124), (2658, 29240), (2924, 26580), (3440, 22593), (3544, 21930), (3655, 21264), (4080, 19049), (4386, 17720), (4430, 17544), (5160, 15062), (5316, 14620), (5848, 13290), (6645, 11696), (7088, 10965), (7310, 10632), (7531, 10320), (8772, 8860)]