55132020

素因数分解:

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

素因数の和:494

約数の個数: 144

約数和(自身を含む): 181621440

約数和(自身を除く): 126489420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 43, 45, 51, 60, 68, 85, 86, 90, 102, 129, 153, 170, 172, 180, 204, 215, 255, 258, 306, 340, 387, 419, 430, 510, 516, 612, 645, 731, 765, 774, 838, 860, 1020, 1257, 1290, 1462, 1530, 1548, 1676, 1935, 2095, 2193, 2514, 2580, 2924, 3060, 3655, 3771, 3870, 4190, 4386, 5028, 6285, 6579, 7123, 7310, 7542, 7740, 8380, 8772, 10965, 12570, 13158, 14246, 14620, 15084, 18017, 18855, 21369, 21930, 25140, 26316, 28492, 32895, 35615, 36034, 37710, 42738, 43860, 54051, 64107, 65790, 71230, 72068, 75420, 85476, 90085, 106845, 108102, 128214, 131580, 142460, 162153, 180170, 213690, 216204, 256428, 270255, 306289, 320535, 324306, 360340, 427380, 540510, 612578, 641070, 648612, 810765, 918867, 1081020, 1225156, 1282140, 1531445, 1621530, 1837734, 2756601, 3062890, 3243060, 3675468, 4594335, 5513202, 6125780, 9188670, 11026404, 13783005, 18377340, 27566010, 55132020]

約数ペア:

[(1, 55132020), (2, 27566010), (3, 18377340), (4, 13783005), (5, 11026404), (6, 9188670), (9, 6125780), (10, 5513202), (12, 4594335), (15, 3675468), (17, 3243060), (18, 3062890), (20, 2756601), (30, 1837734), (34, 1621530), (36, 1531445), (43, 1282140), (45, 1225156), (51, 1081020), (60, 918867), (68, 810765), (85, 648612), (86, 641070), (90, 612578), (102, 540510), (129, 427380), (153, 360340), (170, 324306), (172, 320535), (180, 306289), (204, 270255), (215, 256428), (255, 216204), (258, 213690), (306, 180170), (340, 162153), (387, 142460), (419, 131580), (430, 128214), (510, 108102), (516, 106845), (612, 90085), (645, 85476), (731, 75420), (765, 72068), (774, 71230), (838, 65790), (860, 64107), (1020, 54051), (1257, 43860), (1290, 42738), (1462, 37710), (1530, 36034), (1548, 35615), (1676, 32895), (1935, 28492), (2095, 26316), (2193, 25140), (2514, 21930), (2580, 21369), (2924, 18855), (3060, 18017), (3655, 15084), (3771, 14620), (3870, 14246), (4190, 13158), (4386, 12570), (5028, 10965), (6285, 8772), (6579, 8380), (7123, 7740), (7310, 7542)]