81033120

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{8039}}^1$

素因数の和:8067

約数の個数: 144

約数和(自身を含む): 316068480

約数和(自身を除く): 235035360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 8039, 10080, 16078, 24117, 32156, 40195, 48234, 56273, 64312, 72351, 80390, 96468, 112546, 120585, 128624, 144702, 160780, 168819, 192936, 225092, 241170, 257248, 281365, 289404, 321560, 337638, 361755, 385872, 450184, 482340, 506457, 562730, 578808, 643120, 675276, 723510, 771744, 844095, 900368, 964680, 1012914, 1125460, 1157616, 1286240, 1350552, 1447020, 1688190, 1800736, 1929360, 2025828, 2250920, 2315232, 2532285, 2701104, 2894040, 3376380, 3858720, 4051656, 4501840, 5064570, 5402208, 5788080, 6752760, 8103312, 9003680, 10129140, 11576160, 13505520, 16206624, 20258280, 27011040, 40516560, 81033120]

約数ペア:

[(1, 81033120), (2, 40516560), (3, 27011040), (4, 20258280), (5, 16206624), (6, 13505520), (7, 11576160), (8, 10129140), (9, 9003680), (10, 8103312), (12, 6752760), (14, 5788080), (15, 5402208), (16, 5064570), (18, 4501840), (20, 4051656), (21, 3858720), (24, 3376380), (28, 2894040), (30, 2701104), (32, 2532285), (35, 2315232), (36, 2250920), (40, 2025828), (42, 1929360), (45, 1800736), (48, 1688190), (56, 1447020), (60, 1350552), (63, 1286240), (70, 1157616), (72, 1125460), (80, 1012914), (84, 964680), (90, 900368), (96, 844095), (105, 771744), (112, 723510), (120, 675276), (126, 643120), (140, 578808), (144, 562730), (160, 506457), (168, 482340), (180, 450184), (210, 385872), (224, 361755), (240, 337638), (252, 321560), (280, 289404), (288, 281365), (315, 257248), (336, 241170), (360, 225092), (420, 192936), (480, 168819), (504, 160780), (560, 144702), (630, 128624), (672, 120585), (720, 112546), (840, 96468), (1008, 80390), (1120, 72351), (1260, 64312), (1440, 56273), (1680, 48234), (2016, 40195), (2520, 32156), (3360, 24117), (5040, 16078), (8039, 10080)]