42010640

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{1531}}^1$

素因数の和:1565

約数の個数: 80

約数和(自身を含む): 113980800

約数和(自身を除く): 71970160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1531, 1715, 1960, 2744, 3062, 3430, 3920, 5488, 6124, 6860, 7655, 10717, 12248, 13720, 15310, 21434, 24496, 27440, 30620, 42868, 53585, 61240, 75019, 85736, 107170, 122480, 150038, 171472, 214340, 300076, 375095, 428680, 525133, 600152, 750190, 857360, 1050266, 1200304, 1500380, 2100532, 2625665, 3000760, 4201064, 5251330, 6001520, 8402128, 10502660, 21005320, 42010640]

約数ペア:

[(1, 42010640), (2, 21005320), (4, 10502660), (5, 8402128), (7, 6001520), (8, 5251330), (10, 4201064), (14, 3000760), (16, 2625665), (20, 2100532), (28, 1500380), (35, 1200304), (40, 1050266), (49, 857360), (56, 750190), (70, 600152), (80, 525133), (98, 428680), (112, 375095), (140, 300076), (196, 214340), (245, 171472), (280, 150038), (343, 122480), (392, 107170), (490, 85736), (560, 75019), (686, 61240), (784, 53585), (980, 42868), (1372, 30620), (1531, 27440), (1715, 24496), (1960, 21434), (2744, 15310), (3062, 13720), (3430, 12248), (3920, 10717), (5488, 7655), (6124, 6860)]