78972075

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:91

約数の個数: 216

約数和(自身を含む): 192956400

約数和(自身を除く): 113984325

約数列:

[1, 3, 5, 7, 9, 13, 15, 19, 21, 25, 29, 35, 39, 45, 49, 57, 63, 65, 75, 87, 91, 95, 105, 117, 133, 145, 147, 171, 175, 195, 203, 225, 245, 247, 261, 273, 285, 315, 325, 377, 399, 435, 441, 455, 475, 525, 551, 585, 609, 637, 665, 725, 735, 741, 819, 855, 931, 975, 1015, 1131, 1197, 1225, 1235, 1305, 1365, 1421, 1425, 1575, 1653, 1729, 1827, 1885, 1911, 1995, 2175, 2205, 2223, 2275, 2639, 2755, 2793, 2925, 3045, 3185, 3325, 3393, 3675, 3705, 3857, 4095, 4263, 4275, 4655, 4959, 5075, 5187, 5655, 5733, 5985, 6175, 6525, 6825, 7105, 7163, 7917, 8265, 8379, 8645, 9135, 9425, 9555, 9975, 11025, 11115, 11571, 12103, 12789, 13195, 13775, 13965, 15225, 15561, 15925, 16965, 18473, 18525, 19285, 20475, 21315, 21489, 23275, 23751, 24795, 25935, 26999, 28275, 28665, 29925, 34713, 35525, 35815, 36309, 39585, 41325, 41895, 43225, 45675, 47775, 50141, 55419, 55575, 57855, 60515, 63945, 64467, 65975, 69825, 77805, 80997, 84825, 92365, 96425, 106575, 107445, 108927, 118755, 123975, 129675, 134995, 143325, 150423, 166257, 173565, 179075, 181545, 197925, 209475, 242991, 250705, 277095, 289275, 302575, 319725, 322335, 350987, 389025, 404985, 451269, 461825, 537225, 544635, 593775, 674975, 752115, 831285, 867825, 907725, 1052961, 1214955, 1253525, 1385475, 1611675, 1754935, 2024925, 2256345, 2723175, 3158883, 3760575, 4156425, 5264805, 6074775, 8774675, 11281725, 15794415, 26324025, 78972075]

約数ペア:

[(1, 78972075), (3, 26324025), (5, 15794415), (7, 11281725), (9, 8774675), (13, 6074775), (15, 5264805), (19, 4156425), (21, 3760575), (25, 3158883), (29, 2723175), (35, 2256345), (39, 2024925), (45, 1754935), (49, 1611675), (57, 1385475), (63, 1253525), (65, 1214955), (75, 1052961), (87, 907725), (91, 867825), (95, 831285), (105, 752115), (117, 674975), (133, 593775), (145, 544635), (147, 537225), (171, 461825), (175, 451269), (195, 404985), (203, 389025), (225, 350987), (245, 322335), (247, 319725), (261, 302575), (273, 289275), (285, 277095), (315, 250705), (325, 242991), (377, 209475), (399, 197925), (435, 181545), (441, 179075), (455, 173565), (475, 166257), (525, 150423), (551, 143325), (585, 134995), (609, 129675), (637, 123975), (665, 118755), (725, 108927), (735, 107445), (741, 106575), (819, 96425), (855, 92365), (931, 84825), (975, 80997), (1015, 77805), (1131, 69825), (1197, 65975), (1225, 64467), (1235, 63945), (1305, 60515), (1365, 57855), (1421, 55575), (1425, 55419), (1575, 50141), (1653, 47775), (1729, 45675), (1827, 43225), (1885, 41895), (1911, 41325), (1995, 39585), (2175, 36309), (2205, 35815), (2223, 35525), (2275, 34713), (2639, 29925), (2755, 28665), (2793, 28275), (2925, 26999), (3045, 25935), (3185, 24795), (3325, 23751), (3393, 23275), (3675, 21489), (3705, 21315), (3857, 20475), (4095, 19285), (4263, 18525), (4275, 18473), (4655, 16965), (4959, 15925), (5075, 15561), (5187, 15225), (5655, 13965), (5733, 13775), (5985, 13195), (6175, 12789), (6525, 12103), (6825, 11571), (7105, 11115), (7163, 11025), (7917, 9975), (8265, 9555), (8379, 9425), (8645, 9135)]