81260280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1123}}^1$

素因数の和:1210

約数の個数: 128

約数和(自身を含む): 275155200

約数和(自身を除く): 193894920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 67, 72, 90, 108, 120, 134, 135, 180, 201, 216, 268, 270, 335, 360, 402, 536, 540, 603, 670, 804, 1005, 1080, 1123, 1206, 1340, 1608, 1809, 2010, 2246, 2412, 2680, 3015, 3369, 3618, 4020, 4492, 4824, 5615, 6030, 6738, 7236, 8040, 8984, 9045, 10107, 11230, 12060, 13476, 14472, 16845, 18090, 20214, 22460, 24120, 26952, 30321, 33690, 36180, 40428, 44920, 50535, 60642, 67380, 72360, 75241, 80856, 101070, 121284, 134760, 150482, 151605, 202140, 225723, 242568, 300964, 303210, 376205, 404280, 451446, 601928, 606420, 677169, 752410, 902892, 1128615, 1212840, 1354338, 1504820, 1805784, 2031507, 2257230, 2708676, 3009640, 3385845, 4063014, 4514460, 5417352, 6771690, 8126028, 9028920, 10157535, 13543380, 16252056, 20315070, 27086760, 40630140, 81260280]

約数ペア:

[(1, 81260280), (2, 40630140), (3, 27086760), (4, 20315070), (5, 16252056), (6, 13543380), (8, 10157535), (9, 9028920), (10, 8126028), (12, 6771690), (15, 5417352), (18, 4514460), (20, 4063014), (24, 3385845), (27, 3009640), (30, 2708676), (36, 2257230), (40, 2031507), (45, 1805784), (54, 1504820), (60, 1354338), (67, 1212840), (72, 1128615), (90, 902892), (108, 752410), (120, 677169), (134, 606420), (135, 601928), (180, 451446), (201, 404280), (216, 376205), (268, 303210), (270, 300964), (335, 242568), (360, 225723), (402, 202140), (536, 151605), (540, 150482), (603, 134760), (670, 121284), (804, 101070), (1005, 80856), (1080, 75241), (1123, 72360), (1206, 67380), (1340, 60642), (1608, 50535), (1809, 44920), (2010, 40428), (2246, 36180), (2412, 33690), (2680, 30321), (3015, 26952), (3369, 24120), (3618, 22460), (4020, 20214), (4492, 18090), (4824, 16845), (5615, 14472), (6030, 13476), (6738, 12060), (7236, 11230), (8040, 10107), (8984, 9045)]