71434960

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 171417600

約数和(自身を除く): 99982640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 89, 127, 158, 178, 254, 316, 356, 395, 445, 508, 632, 635, 712, 790, 890, 1016, 1264, 1270, 1424, 1580, 1780, 2032, 2540, 3160, 3560, 5080, 6320, 7031, 7120, 10033, 10160, 11303, 14062, 20066, 22606, 28124, 35155, 40132, 45212, 50165, 56248, 56515, 70310, 80264, 90424, 100330, 112496, 113030, 140620, 160528, 180848, 200660, 226060, 281240, 401320, 452120, 562480, 802640, 892937, 904240, 1785874, 3571748, 4464685, 7143496, 8929370, 14286992, 17858740, 35717480, 71434960]

約数ペア:

[(1, 71434960), (2, 35717480), (4, 17858740), (5, 14286992), (8, 8929370), (10, 7143496), (16, 4464685), (20, 3571748), (40, 1785874), (79, 904240), (80, 892937), (89, 802640), (127, 562480), (158, 452120), (178, 401320), (254, 281240), (316, 226060), (356, 200660), (395, 180848), (445, 160528), (508, 140620), (632, 113030), (635, 112496), (712, 100330), (790, 90424), (890, 80264), (1016, 70310), (1264, 56515), (1270, 56248), (1424, 50165), (1580, 45212), (1780, 40132), (2032, 35155), (2540, 28124), (3160, 22606), (3560, 20066), (5080, 14062), (6320, 11303), (7031, 10160), (7120, 10033)]