81477360

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{563}}^1$

素因数の和:652

約数の個数: 160

約数和(自身を含む): 285338880

約数和(自身を除く): 203861520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 67, 72, 80, 90, 108, 120, 134, 135, 144, 180, 201, 216, 240, 268, 270, 335, 360, 402, 432, 536, 540, 563, 603, 670, 720, 804, 1005, 1072, 1080, 1126, 1206, 1340, 1608, 1689, 1809, 2010, 2160, 2252, 2412, 2680, 2815, 3015, 3216, 3378, 3618, 4020, 4504, 4824, 5067, 5360, 5630, 6030, 6756, 7236, 8040, 8445, 9008, 9045, 9648, 10134, 11260, 12060, 13512, 14472, 15201, 16080, 16890, 18090, 20268, 22520, 24120, 25335, 27024, 28944, 30402, 33780, 36180, 37721, 40536, 45040, 48240, 50670, 60804, 67560, 72360, 75442, 76005, 81072, 101340, 113163, 121608, 135120, 144720, 150884, 152010, 188605, 202680, 226326, 243216, 301768, 304020, 339489, 377210, 405360, 452652, 565815, 603536, 608040, 678978, 754420, 905304, 1018467, 1131630, 1216080, 1357956, 1508840, 1697445, 1810608, 2036934, 2263260, 2715912, 3017680, 3394890, 4073868, 4526520, 5092335, 5431824, 6789780, 8147736, 9053040, 10184670, 13579560, 16295472, 20369340, 27159120, 40738680, 81477360]

約数ペア:

[(1, 81477360), (2, 40738680), (3, 27159120), (4, 20369340), (5, 16295472), (6, 13579560), (8, 10184670), (9, 9053040), (10, 8147736), (12, 6789780), (15, 5431824), (16, 5092335), (18, 4526520), (20, 4073868), (24, 3394890), (27, 3017680), (30, 2715912), (36, 2263260), (40, 2036934), (45, 1810608), (48, 1697445), (54, 1508840), (60, 1357956), (67, 1216080), (72, 1131630), (80, 1018467), (90, 905304), (108, 754420), (120, 678978), (134, 608040), (135, 603536), (144, 565815), (180, 452652), (201, 405360), (216, 377210), (240, 339489), (268, 304020), (270, 301768), (335, 243216), (360, 226326), (402, 202680), (432, 188605), (536, 152010), (540, 150884), (563, 144720), (603, 135120), (670, 121608), (720, 113163), (804, 101340), (1005, 81072), (1072, 76005), (1080, 75442), (1126, 72360), (1206, 67560), (1340, 60804), (1608, 50670), (1689, 48240), (1809, 45040), (2010, 40536), (2160, 37721), (2252, 36180), (2412, 33780), (2680, 30402), (2815, 28944), (3015, 27024), (3216, 25335), (3378, 24120), (3618, 22520), (4020, 20268), (4504, 18090), (4824, 16890), (5067, 16080), (5360, 15201), (5630, 14472), (6030, 13512), (6756, 12060), (7236, 11260), (8040, 10134), (8445, 9648), (9008, 9045)]