130297520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:822

約数の個数: 80

約数和(自身を含む): 323416800

約数和(自身を除く): 193119280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 149, 170, 272, 298, 340, 596, 643, 680, 745, 1192, 1286, 1360, 1490, 2384, 2533, 2572, 2980, 3215, 5066, 5144, 5960, 6430, 10132, 10288, 10931, 11920, 12665, 12860, 20264, 21862, 25330, 25720, 40528, 43724, 50660, 51440, 54655, 87448, 95807, 101320, 109310, 174896, 191614, 202640, 218620, 383228, 437240, 479035, 766456, 874480, 958070, 1532912, 1628719, 1916140, 3257438, 3832280, 6514876, 7664560, 8143595, 13029752, 16287190, 26059504, 32574380, 65148760, 130297520]

約数ペア:

[(1, 130297520), (2, 65148760), (4, 32574380), (5, 26059504), (8, 16287190), (10, 13029752), (16, 8143595), (17, 7664560), (20, 6514876), (34, 3832280), (40, 3257438), (68, 1916140), (80, 1628719), (85, 1532912), (136, 958070), (149, 874480), (170, 766456), (272, 479035), (298, 437240), (340, 383228), (596, 218620), (643, 202640), (680, 191614), (745, 174896), (1192, 109310), (1286, 101320), (1360, 95807), (1490, 87448), (2384, 54655), (2533, 51440), (2572, 50660), (2980, 43724), (3215, 40528), (5066, 25720), (5144, 25330), (5960, 21862), (6430, 20264), (10132, 12860), (10288, 12665), (10931, 11920)]