71947600

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 120

約数和(自身を含む): 182666880

約数和(自身を除く): 110719280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 47, 50, 80, 86, 89, 94, 100, 172, 178, 188, 200, 215, 235, 344, 356, 376, 400, 430, 445, 470, 688, 712, 752, 860, 890, 940, 1075, 1175, 1424, 1720, 1780, 1880, 2021, 2150, 2225, 2350, 3440, 3560, 3760, 3827, 4042, 4183, 4300, 4450, 4700, 7120, 7654, 8084, 8366, 8600, 8900, 9400, 10105, 15308, 16168, 16732, 17200, 17800, 18800, 19135, 20210, 20915, 30616, 32336, 33464, 35600, 38270, 40420, 41830, 50525, 61232, 66928, 76540, 80840, 83660, 95675, 101050, 104575, 153080, 161680, 167320, 179869, 191350, 202100, 209150, 306160, 334640, 359738, 382700, 404200, 418300, 719476, 765400, 808400, 836600, 899345, 1438952, 1530800, 1673200, 1798690, 2877904, 3597380, 4496725, 7194760, 8993450, 14389520, 17986900, 35973800, 71947600]

約数ペア:

[(1, 71947600), (2, 35973800), (4, 17986900), (5, 14389520), (8, 8993450), (10, 7194760), (16, 4496725), (20, 3597380), (25, 2877904), (40, 1798690), (43, 1673200), (47, 1530800), (50, 1438952), (80, 899345), (86, 836600), (89, 808400), (94, 765400), (100, 719476), (172, 418300), (178, 404200), (188, 382700), (200, 359738), (215, 334640), (235, 306160), (344, 209150), (356, 202100), (376, 191350), (400, 179869), (430, 167320), (445, 161680), (470, 153080), (688, 104575), (712, 101050), (752, 95675), (860, 83660), (890, 80840), (940, 76540), (1075, 66928), (1175, 61232), (1424, 50525), (1720, 41830), (1780, 40420), (1880, 38270), (2021, 35600), (2150, 33464), (2225, 32336), (2350, 30616), (3440, 20915), (3560, 20210), (3760, 19135), (3827, 18800), (4042, 17800), (4183, 17200), (4300, 16732), (4450, 16168), (4700, 15308), (7120, 10105), (7654, 9400), (8084, 8900), (8366, 8600)]