81961600

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{3659}}^1$

素因数の和:3690

約数の個数: 96

約数和(自身を含む): 231458400

約数和(自身を除く): 149496800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 640, 700, 800, 896, 1120, 1400, 1600, 2240, 2800, 3200, 3659, 4480, 5600, 7318, 11200, 14636, 18295, 22400, 25613, 29272, 36590, 51226, 58544, 73180, 91475, 102452, 117088, 128065, 146360, 182950, 204904, 234176, 256130, 292720, 365900, 409808, 468352, 512260, 585440, 640325, 731800, 819616, 1024520, 1170880, 1280650, 1463600, 1639232, 2049040, 2341760, 2561300, 2927200, 3278464, 4098080, 5122600, 5854400, 8196160, 10245200, 11708800, 16392320, 20490400, 40980800, 81961600]

約数ペア:

[(1, 81961600), (2, 40980800), (4, 20490400), (5, 16392320), (7, 11708800), (8, 10245200), (10, 8196160), (14, 5854400), (16, 5122600), (20, 4098080), (25, 3278464), (28, 2927200), (32, 2561300), (35, 2341760), (40, 2049040), (50, 1639232), (56, 1463600), (64, 1280650), (70, 1170880), (80, 1024520), (100, 819616), (112, 731800), (128, 640325), (140, 585440), (160, 512260), (175, 468352), (200, 409808), (224, 365900), (280, 292720), (320, 256130), (350, 234176), (400, 204904), (448, 182950), (560, 146360), (640, 128065), (700, 117088), (800, 102452), (896, 91475), (1120, 73180), (1400, 58544), (1600, 51226), (2240, 36590), (2800, 29272), (3200, 25613), (3659, 22400), (4480, 18295), (5600, 14636), (7318, 11200)]