77120715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:137

約数の個数: 128

約数和(自身を含む): 162201600

約数和(自身を除く): 85080885

約数列:

[1, 3, 5, 7, 15, 19, 21, 29, 31, 35, 43, 57, 87, 93, 95, 105, 129, 133, 145, 155, 203, 215, 217, 285, 301, 399, 435, 465, 551, 589, 609, 645, 651, 665, 817, 899, 903, 1015, 1085, 1247, 1333, 1505, 1653, 1767, 1995, 2451, 2697, 2755, 2945, 3045, 3255, 3741, 3857, 3999, 4085, 4123, 4495, 4515, 5719, 6235, 6293, 6665, 8265, 8729, 8835, 9331, 11571, 12255, 12369, 13485, 17081, 17157, 18705, 18879, 19285, 19995, 20615, 23693, 25327, 26187, 27993, 28595, 31465, 38657, 43645, 46655, 51243, 57855, 61845, 71079, 75981, 85405, 85785, 94395, 115971, 118465, 119567, 126635, 130935, 139965, 165851, 177289, 193285, 256215, 270599, 355395, 358701, 379905, 497553, 531867, 579855, 597835, 734483, 811797, 829255, 886445, 1352995, 1793505, 2203449, 2487765, 2659335, 3672415, 4058985, 5141381, 11017245, 15424143, 25706905, 77120715]

約数ペア:

[(1, 77120715), (3, 25706905), (5, 15424143), (7, 11017245), (15, 5141381), (19, 4058985), (21, 3672415), (29, 2659335), (31, 2487765), (35, 2203449), (43, 1793505), (57, 1352995), (87, 886445), (93, 829255), (95, 811797), (105, 734483), (129, 597835), (133, 579855), (145, 531867), (155, 497553), (203, 379905), (215, 358701), (217, 355395), (285, 270599), (301, 256215), (399, 193285), (435, 177289), (465, 165851), (551, 139965), (589, 130935), (609, 126635), (645, 119567), (651, 118465), (665, 115971), (817, 94395), (899, 85785), (903, 85405), (1015, 75981), (1085, 71079), (1247, 61845), (1333, 57855), (1505, 51243), (1653, 46655), (1767, 43645), (1995, 38657), (2451, 31465), (2697, 28595), (2755, 27993), (2945, 26187), (3045, 25327), (3255, 23693), (3741, 20615), (3857, 19995), (3999, 19285), (4085, 18879), (4123, 18705), (4495, 17157), (4515, 17081), (5719, 13485), (6235, 12369), (6293, 12255), (6665, 11571), (8265, 9331), (8729, 8835)]