2018776725

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2579}}^1$

素因数の和:2680

約数の個数: 108

約数和(自身を含む): 4267092960

約数和(自身を除く): 2248316235

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 71, 75, 105, 147, 175, 213, 225, 245, 315, 355, 441, 497, 525, 639, 735, 1065, 1225, 1491, 1575, 1775, 2205, 2485, 2579, 3195, 3479, 3675, 4473, 5325, 7455, 7737, 10437, 11025, 12425, 12895, 15975, 17395, 18053, 22365, 23211, 31311, 37275, 38685, 52185, 54159, 64475, 86975, 90265, 111825, 116055, 126371, 156555, 162477, 183109, 193425, 260925, 270795, 379113, 451325, 549327, 580275, 631855, 782775, 812385, 915545, 1137339, 1281763, 1353975, 1647981, 1895565, 2746635, 3159275, 3845289, 4061925, 4577725, 5686695, 6408815, 8239905, 8972341, 9477825, 11535867, 13733175, 19226445, 26917023, 28433475, 32044075, 41199525, 44861705, 57679335, 80751069, 96132225, 134585115, 224308525, 288396675, 403755345, 672925575, 2018776725]

約数ペア:

[(1, 2018776725), (3, 672925575), (5, 403755345), (7, 288396675), (9, 224308525), (15, 134585115), (21, 96132225), (25, 80751069), (35, 57679335), (45, 44861705), (49, 41199525), (63, 32044075), (71, 28433475), (75, 26917023), (105, 19226445), (147, 13733175), (175, 11535867), (213, 9477825), (225, 8972341), (245, 8239905), (315, 6408815), (355, 5686695), (441, 4577725), (497, 4061925), (525, 3845289), (639, 3159275), (735, 2746635), (1065, 1895565), (1225, 1647981), (1491, 1353975), (1575, 1281763), (1775, 1137339), (2205, 915545), (2485, 812385), (2579, 782775), (3195, 631855), (3479, 580275), (3675, 549327), (4473, 451325), (5325, 379113), (7455, 270795), (7737, 260925), (10437, 193425), (11025, 183109), (12425, 162477), (12895, 156555), (15975, 126371), (17395, 116055), (18053, 111825), (22365, 90265), (23211, 86975), (31311, 64475), (37275, 54159), (38685, 52185)]