81780066

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:220

約数の個数: 96

約数和(自身を含む): 196035840

約数和(自身を除く): 114255774

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 43, 57, 67, 83, 86, 114, 129, 134, 166, 171, 201, 249, 258, 342, 387, 402, 498, 603, 747, 774, 817, 1206, 1273, 1494, 1577, 1634, 2451, 2546, 2881, 3154, 3569, 3819, 4731, 4902, 5561, 5762, 7138, 7353, 7638, 8643, 9462, 10707, 11122, 11457, 14193, 14706, 16683, 17286, 21414, 22914, 25929, 28386, 32121, 33366, 50049, 51858, 54739, 64242, 67811, 100098, 105659, 109478, 135622, 164217, 203433, 211318, 239123, 316977, 328434, 406866, 478246, 492651, 610299, 633954, 717369, 950931, 985302, 1220598, 1434738, 1901862, 2152107, 4304214, 4543337, 9086674, 13630011, 27260022, 40890033, 81780066]

約数ペア:

[(1, 81780066), (2, 40890033), (3, 27260022), (6, 13630011), (9, 9086674), (18, 4543337), (19, 4304214), (38, 2152107), (43, 1901862), (57, 1434738), (67, 1220598), (83, 985302), (86, 950931), (114, 717369), (129, 633954), (134, 610299), (166, 492651), (171, 478246), (201, 406866), (249, 328434), (258, 316977), (342, 239123), (387, 211318), (402, 203433), (498, 164217), (603, 135622), (747, 109478), (774, 105659), (817, 100098), (1206, 67811), (1273, 64242), (1494, 54739), (1577, 51858), (1634, 50049), (2451, 33366), (2546, 32121), (2881, 28386), (3154, 25929), (3569, 22914), (3819, 21414), (4731, 17286), (4902, 16683), (5561, 14706), (5762, 14193), (7138, 11457), (7353, 11122), (7638, 10707), (8643, 9462)]