631339520

素因数分解:

$2^9\times 5^1\times 7^3\times {\mathrm{719}}^1$

素因数の和:763

約数の個数: 160

約数和(自身を含む): 1767744000

約数和(自身を除く): 1136404480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 343, 392, 448, 490, 512, 560, 640, 686, 719, 784, 896, 980, 1120, 1280, 1372, 1438, 1568, 1715, 1792, 1960, 2240, 2560, 2744, 2876, 3136, 3430, 3584, 3595, 3920, 4480, 5033, 5488, 5752, 6272, 6860, 7190, 7840, 8960, 10066, 10976, 11504, 12544, 13720, 14380, 15680, 17920, 20132, 21952, 23008, 25088, 25165, 27440, 28760, 31360, 35231, 40264, 43904, 46016, 50330, 54880, 57520, 62720, 70462, 80528, 87808, 92032, 100660, 109760, 115040, 125440, 140924, 161056, 175616, 176155, 184064, 201320, 219520, 230080, 246617, 281848, 322112, 352310, 368128, 402640, 439040, 460160, 493234, 563696, 644224, 704620, 805280, 878080, 920320, 986468, 1127392, 1233085, 1288448, 1409240, 1610560, 1840640, 1972936, 2254784, 2466170, 2576896, 2818480, 3221120, 3945872, 4509568, 4932340, 5636960, 6442240, 7891744, 9019136, 9864680, 11273920, 12884480, 15783488, 18038272, 19729360, 22547840, 31566976, 39458720, 45095680, 63133952, 78917440, 90191360, 126267904, 157834880, 315669760, 631339520]

約数ペア:

[(1, 631339520), (2, 315669760), (4, 157834880), (5, 126267904), (7, 90191360), (8, 78917440), (10, 63133952), (14, 45095680), (16, 39458720), (20, 31566976), (28, 22547840), (32, 19729360), (35, 18038272), (40, 15783488), (49, 12884480), (56, 11273920), (64, 9864680), (70, 9019136), (80, 7891744), (98, 6442240), (112, 5636960), (128, 4932340), (140, 4509568), (160, 3945872), (196, 3221120), (224, 2818480), (245, 2576896), (256, 2466170), (280, 2254784), (320, 1972936), (343, 1840640), (392, 1610560), (448, 1409240), (490, 1288448), (512, 1233085), (560, 1127392), (640, 986468), (686, 920320), (719, 878080), (784, 805280), (896, 704620), (980, 644224), (1120, 563696), (1280, 493234), (1372, 460160), (1438, 439040), (1568, 402640), (1715, 368128), (1792, 352310), (1960, 322112), (2240, 281848), (2560, 246617), (2744, 230080), (2876, 219520), (3136, 201320), (3430, 184064), (3584, 176155), (3595, 175616), (3920, 161056), (4480, 140924), (5033, 125440), (5488, 115040), (5752, 109760), (6272, 100660), (6860, 92032), (7190, 87808), (7840, 80528), (8960, 70462), (10066, 62720), (10976, 57520), (11504, 54880), (12544, 50330), (13720, 46016), (14380, 43904), (15680, 40264), (17920, 35231), (20132, 31360), (21952, 28760), (23008, 27440), (25088, 25165)]