71481200

素因数分解:

$2^4\times 5^2\times 7^3\times {\mathrm{521}}^1$

素因数の和:560

約数の個数: 120

約数和(自身を含む): 200656800

約数和(自身を除く): 129175600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 343, 350, 392, 400, 490, 521, 560, 686, 700, 784, 980, 1042, 1225, 1372, 1400, 1715, 1960, 2084, 2450, 2605, 2744, 2800, 3430, 3647, 3920, 4168, 4900, 5210, 5488, 6860, 7294, 8336, 8575, 9800, 10420, 13025, 13720, 14588, 17150, 18235, 19600, 20840, 25529, 26050, 27440, 29176, 34300, 36470, 41680, 51058, 52100, 58352, 68600, 72940, 91175, 102116, 104200, 127645, 137200, 145880, 178703, 182350, 204232, 208400, 255290, 291760, 357406, 364700, 408464, 510580, 638225, 714812, 729400, 893515, 1021160, 1276450, 1429624, 1458800, 1787030, 2042320, 2552900, 2859248, 3574060, 4467575, 5105800, 7148120, 8935150, 10211600, 14296240, 17870300, 35740600, 71481200]

約数ペア:

[(1, 71481200), (2, 35740600), (4, 17870300), (5, 14296240), (7, 10211600), (8, 8935150), (10, 7148120), (14, 5105800), (16, 4467575), (20, 3574060), (25, 2859248), (28, 2552900), (35, 2042320), (40, 1787030), (49, 1458800), (50, 1429624), (56, 1276450), (70, 1021160), (80, 893515), (98, 729400), (100, 714812), (112, 638225), (140, 510580), (175, 408464), (196, 364700), (200, 357406), (245, 291760), (280, 255290), (343, 208400), (350, 204232), (392, 182350), (400, 178703), (490, 145880), (521, 137200), (560, 127645), (686, 104200), (700, 102116), (784, 91175), (980, 72940), (1042, 68600), (1225, 58352), (1372, 52100), (1400, 51058), (1715, 41680), (1960, 36470), (2084, 34300), (2450, 29176), (2605, 27440), (2744, 26050), (2800, 25529), (3430, 20840), (3647, 19600), (3920, 18235), (4168, 17150), (4900, 14588), (5210, 13720), (5488, 13025), (6860, 10420), (7294, 9800), (8336, 8575)]