128641380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:498

約数の個数: 192

約数和(自身を含む): 447068160

約数和(自身を除く): 318426780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 43, 51, 60, 68, 70, 84, 85, 86, 102, 105, 119, 129, 140, 170, 172, 204, 210, 215, 238, 255, 258, 301, 340, 357, 419, 420, 430, 476, 510, 516, 595, 602, 645, 714, 731, 838, 860, 903, 1020, 1190, 1204, 1257, 1290, 1428, 1462, 1505, 1676, 1785, 1806, 2095, 2193, 2380, 2514, 2580, 2924, 2933, 3010, 3570, 3612, 3655, 4190, 4386, 4515, 5028, 5117, 5866, 6020, 6285, 7123, 7140, 7310, 8380, 8772, 8799, 9030, 10234, 10965, 11732, 12570, 14246, 14620, 14665, 15351, 17598, 18017, 18060, 20468, 21369, 21930, 25140, 25585, 28492, 29330, 30702, 35196, 35615, 36034, 42738, 43860, 43995, 49861, 51170, 54051, 58660, 61404, 71230, 72068, 76755, 85476, 87990, 90085, 99722, 102340, 106845, 108102, 126119, 142460, 149583, 153510, 175980, 180170, 199444, 213690, 216204, 249305, 252238, 270255, 299166, 306289, 307020, 360340, 378357, 427380, 498610, 504476, 540510, 598332, 612578, 630595, 747915, 756714, 918867, 997220, 1081020, 1225156, 1261190, 1495830, 1513428, 1531445, 1837734, 1891785, 2144023, 2522380, 2991660, 3062890, 3675468, 3783570, 4288046, 4594335, 6125780, 6432069, 7567140, 8576092, 9188670, 10720115, 12864138, 18377340, 21440230, 25728276, 32160345, 42880460, 64320690, 128641380]

約数ペア:

[(1, 128641380), (2, 64320690), (3, 42880460), (4, 32160345), (5, 25728276), (6, 21440230), (7, 18377340), (10, 12864138), (12, 10720115), (14, 9188670), (15, 8576092), (17, 7567140), (20, 6432069), (21, 6125780), (28, 4594335), (30, 4288046), (34, 3783570), (35, 3675468), (42, 3062890), (43, 2991660), (51, 2522380), (60, 2144023), (68, 1891785), (70, 1837734), (84, 1531445), (85, 1513428), (86, 1495830), (102, 1261190), (105, 1225156), (119, 1081020), (129, 997220), (140, 918867), (170, 756714), (172, 747915), (204, 630595), (210, 612578), (215, 598332), (238, 540510), (255, 504476), (258, 498610), (301, 427380), (340, 378357), (357, 360340), (419, 307020), (420, 306289), (430, 299166), (476, 270255), (510, 252238), (516, 249305), (595, 216204), (602, 213690), (645, 199444), (714, 180170), (731, 175980), (838, 153510), (860, 149583), (903, 142460), (1020, 126119), (1190, 108102), (1204, 106845), (1257, 102340), (1290, 99722), (1428, 90085), (1462, 87990), (1505, 85476), (1676, 76755), (1785, 72068), (1806, 71230), (2095, 61404), (2193, 58660), (2380, 54051), (2514, 51170), (2580, 49861), (2924, 43995), (2933, 43860), (3010, 42738), (3570, 36034), (3612, 35615), (3655, 35196), (4190, 30702), (4386, 29330), (4515, 28492), (5028, 25585), (5117, 25140), (5866, 21930), (6020, 21369), (6285, 20468), (7123, 18060), (7140, 18017), (7310, 17598), (8380, 15351), (8772, 14665), (8799, 14620), (9030, 14246), (10234, 12570), (10965, 11732)]