2155127715

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^2$

素因数の和:140

約数の個数: 180

約数和(自身を含む): 4486348944

約数和(自身を除く): 2331221229

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 37, 39, 45, 65, 69, 81, 111, 115, 117, 135, 169, 185, 195, 207, 299, 333, 345, 351, 405, 481, 507, 555, 585, 621, 845, 851, 897, 999, 1035, 1053, 1369, 1443, 1495, 1521, 1665, 1755, 1863, 2405, 2535, 2553, 2691, 2997, 3105, 3887, 4107, 4255, 4329, 4485, 4563, 4995, 5265, 6253, 6845, 7215, 7605, 7659, 8073, 9315, 11063, 11661, 12321, 12765, 12987, 13455, 13689, 14985, 17797, 18759, 19435, 20535, 21645, 22815, 22977, 24219, 31265, 31487, 33189, 34983, 36963, 38295, 38961, 40365, 53391, 55315, 56277, 58305, 61605, 64935, 68445, 68931, 88985, 93795, 94461, 99567, 104949, 110889, 114885, 121095, 143819, 157435, 160173, 165945, 168831, 174915, 184815, 194805, 231361, 266955, 281385, 283383, 298701, 314847, 344655, 409331, 431457, 472305, 480519, 497835, 506493, 524745, 554445, 694083, 719095, 800865, 844155, 850149, 896103, 1156805, 1227993, 1294371, 1416915, 1441557, 1493505, 1574235, 2046655, 2082249, 2157285, 2402595, 2532465, 2550447, 3470415, 3683979, 3883113, 4250745, 4480515, 5321303, 6139965, 6246747, 6471855, 7207785, 10411245, 11051937, 11649339, 12752235, 15963909, 18419895, 18740241, 19415565, 26606515, 31233735, 33155811, 47891727, 55259685, 58246695, 79819545, 93701205, 143675181, 165779055, 239458635, 431025543, 718375905, 2155127715]

約数ペア:

[(1, 2155127715), (3, 718375905), (5, 431025543), (9, 239458635), (13, 165779055), (15, 143675181), (23, 93701205), (27, 79819545), (37, 58246695), (39, 55259685), (45, 47891727), (65, 33155811), (69, 31233735), (81, 26606515), (111, 19415565), (115, 18740241), (117, 18419895), (135, 15963909), (169, 12752235), (185, 11649339), (195, 11051937), (207, 10411245), (299, 7207785), (333, 6471855), (345, 6246747), (351, 6139965), (405, 5321303), (481, 4480515), (507, 4250745), (555, 3883113), (585, 3683979), (621, 3470415), (845, 2550447), (851, 2532465), (897, 2402595), (999, 2157285), (1035, 2082249), (1053, 2046655), (1369, 1574235), (1443, 1493505), (1495, 1441557), (1521, 1416915), (1665, 1294371), (1755, 1227993), (1863, 1156805), (2405, 896103), (2535, 850149), (2553, 844155), (2691, 800865), (2997, 719095), (3105, 694083), (3887, 554445), (4107, 524745), (4255, 506493), (4329, 497835), (4485, 480519), (4563, 472305), (4995, 431457), (5265, 409331), (6253, 344655), (6845, 314847), (7215, 298701), (7605, 283383), (7659, 281385), (8073, 266955), (9315, 231361), (11063, 194805), (11661, 184815), (12321, 174915), (12765, 168831), (12987, 165945), (13455, 160173), (13689, 157435), (14985, 143819), (17797, 121095), (18759, 114885), (19435, 110889), (20535, 104949), (21645, 99567), (22815, 94461), (22977, 93795), (24219, 88985), (31265, 68931), (31487, 68445), (33189, 64935), (34983, 61605), (36963, 58305), (38295, 56277), (38961, 55315), (40365, 53391)]