82981260

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{283}}^1$

素因数の和:485

約数の個数: 120

約数和(自身を含む): 262678416

約数和(自身を除く): 179697156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 181, 270, 283, 324, 362, 405, 540, 543, 566, 724, 810, 849, 905, 1086, 1132, 1415, 1620, 1629, 1698, 1810, 2172, 2547, 2715, 2830, 3258, 3396, 3620, 4245, 4887, 5094, 5430, 5660, 6516, 7641, 8145, 8490, 9774, 10188, 10860, 12735, 14661, 15282, 16290, 16980, 19548, 22923, 24435, 25470, 29322, 30564, 32580, 38205, 45846, 48870, 50940, 51223, 58644, 73305, 76410, 91692, 97740, 102446, 114615, 146610, 152820, 153669, 204892, 229230, 256115, 293220, 307338, 458460, 461007, 512230, 614676, 768345, 922014, 1024460, 1383021, 1536690, 1844028, 2305035, 2766042, 3073380, 4149063, 4610070, 5532084, 6915105, 8298126, 9220140, 13830210, 16596252, 20745315, 27660420, 41490630, 82981260]

約数ペア:

[(1, 82981260), (2, 41490630), (3, 27660420), (4, 20745315), (5, 16596252), (6, 13830210), (9, 9220140), (10, 8298126), (12, 6915105), (15, 5532084), (18, 4610070), (20, 4149063), (27, 3073380), (30, 2766042), (36, 2305035), (45, 1844028), (54, 1536690), (60, 1383021), (81, 1024460), (90, 922014), (108, 768345), (135, 614676), (162, 512230), (180, 461007), (181, 458460), (270, 307338), (283, 293220), (324, 256115), (362, 229230), (405, 204892), (540, 153669), (543, 152820), (566, 146610), (724, 114615), (810, 102446), (849, 97740), (905, 91692), (1086, 76410), (1132, 73305), (1415, 58644), (1620, 51223), (1629, 50940), (1698, 48870), (1810, 45846), (2172, 38205), (2547, 32580), (2715, 30564), (2830, 29322), (3258, 25470), (3396, 24435), (3620, 22923), (4245, 19548), (4887, 16980), (5094, 16290), (5430, 15282), (5660, 14661), (6516, 12735), (7641, 10860), (8145, 10188), (8490, 9774)]