81639600

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{9719}}^1$

素因数の和:9747

約数の個数: 120

約数和(自身を含む): 298909440

約数和(自身を除く): 217269840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2800, 4200, 8400, 9719, 19438, 29157, 38876, 48595, 58314, 68033, 77752, 97190, 116628, 136066, 145785, 155504, 194380, 204099, 233256, 242975, 272132, 291570, 340165, 388760, 408198, 466512, 485950, 544264, 583140, 680330, 728925, 777520, 816396, 971900, 1020495, 1088528, 1166280, 1360660, 1457850, 1632792, 1700825, 1943800, 2040990, 2332560, 2721320, 2915700, 3265584, 3401650, 3887600, 4081980, 5102475, 5442640, 5831400, 6803300, 8163960, 10204950, 11662800, 13606600, 16327920, 20409900, 27213200, 40819800, 81639600]

約数ペア:

[(1, 81639600), (2, 40819800), (3, 27213200), (4, 20409900), (5, 16327920), (6, 13606600), (7, 11662800), (8, 10204950), (10, 8163960), (12, 6803300), (14, 5831400), (15, 5442640), (16, 5102475), (20, 4081980), (21, 3887600), (24, 3401650), (25, 3265584), (28, 2915700), (30, 2721320), (35, 2332560), (40, 2040990), (42, 1943800), (48, 1700825), (50, 1632792), (56, 1457850), (60, 1360660), (70, 1166280), (75, 1088528), (80, 1020495), (84, 971900), (100, 816396), (105, 777520), (112, 728925), (120, 680330), (140, 583140), (150, 544264), (168, 485950), (175, 466512), (200, 408198), (210, 388760), (240, 340165), (280, 291570), (300, 272132), (336, 242975), (350, 233256), (400, 204099), (420, 194380), (525, 155504), (560, 145785), (600, 136066), (700, 116628), (840, 97190), (1050, 77752), (1200, 68033), (1400, 58314), (1680, 48595), (2100, 38876), (2800, 29157), (4200, 19438), (8400, 9719)]