213381480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3181}}^1$

素因数の和:3251

約数の個数: 128

約数和(自身を含む): 705640320

約数和(自身を除く): 492258840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 312, 344, 390, 430, 516, 520, 559, 645, 780, 860, 1032, 1118, 1290, 1560, 1677, 1720, 2236, 2580, 2795, 3181, 3354, 4472, 5160, 5590, 6362, 6708, 8385, 9543, 11180, 12724, 13416, 15905, 16770, 19086, 22360, 25448, 31810, 33540, 38172, 41353, 47715, 63620, 67080, 76344, 82706, 95430, 124059, 127240, 136783, 165412, 190860, 206765, 248118, 273566, 330824, 381720, 410349, 413530, 496236, 547132, 620295, 683915, 820698, 827060, 992472, 1094264, 1240590, 1367830, 1641396, 1654120, 1778179, 2051745, 2481180, 2735660, 3282792, 3556358, 4103490, 4962360, 5334537, 5471320, 7112716, 8206980, 8890895, 10669074, 14225432, 16413960, 17781790, 21338148, 26672685, 35563580, 42676296, 53345370, 71127160, 106690740, 213381480]

約数ペア:

[(1, 213381480), (2, 106690740), (3, 71127160), (4, 53345370), (5, 42676296), (6, 35563580), (8, 26672685), (10, 21338148), (12, 17781790), (13, 16413960), (15, 14225432), (20, 10669074), (24, 8890895), (26, 8206980), (30, 7112716), (39, 5471320), (40, 5334537), (43, 4962360), (52, 4103490), (60, 3556358), (65, 3282792), (78, 2735660), (86, 2481180), (104, 2051745), (120, 1778179), (129, 1654120), (130, 1641396), (156, 1367830), (172, 1240590), (195, 1094264), (215, 992472), (258, 827060), (260, 820698), (312, 683915), (344, 620295), (390, 547132), (430, 496236), (516, 413530), (520, 410349), (559, 381720), (645, 330824), (780, 273566), (860, 248118), (1032, 206765), (1118, 190860), (1290, 165412), (1560, 136783), (1677, 127240), (1720, 124059), (2236, 95430), (2580, 82706), (2795, 76344), (3181, 67080), (3354, 63620), (4472, 47715), (5160, 41353), (5590, 38172), (6362, 33540), (6708, 31810), (8385, 25448), (9543, 22360), (11180, 19086), (12724, 16770), (13416, 15905)]