1380805440

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{205477}}^1$

素因数の和:205504

約数の個数: 112

約数和(自身を含む): 5010375552

約数和(自身を除く): 3629570112

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 205477, 410954, 616431, 821908, 1027385, 1232862, 1438339, 1643816, 2054770, 2465724, 2876678, 3082155, 3287632, 4109540, 4315017, 4931448, 5753356, 6164310, 6575264, 7191695, 8219080, 8630034, 9862896, 11506712, 12328620, 13150528, 14383390, 16438160, 17260068, 19725792, 21575085, 23013424, 24657240, 28766780, 32876320, 34520136, 39451584, 43150170, 46026848, 49314480, 57533560, 65752640, 69040272, 86300340, 92053696, 98628960, 115067120, 138080544, 172600680, 197257920, 230134240, 276161088, 345201360, 460268480, 690402720, 1380805440]

約数ペア:

[(1, 1380805440), (2, 690402720), (3, 460268480), (4, 345201360), (5, 276161088), (6, 230134240), (7, 197257920), (8, 172600680), (10, 138080544), (12, 115067120), (14, 98628960), (15, 92053696), (16, 86300340), (20, 69040272), (21, 65752640), (24, 57533560), (28, 49314480), (30, 46026848), (32, 43150170), (35, 39451584), (40, 34520136), (42, 32876320), (48, 28766780), (56, 24657240), (60, 23013424), (64, 21575085), (70, 19725792), (80, 17260068), (84, 16438160), (96, 14383390), (105, 13150528), (112, 12328620), (120, 11506712), (140, 9862896), (160, 8630034), (168, 8219080), (192, 7191695), (210, 6575264), (224, 6164310), (240, 5753356), (280, 4931448), (320, 4315017), (336, 4109540), (420, 3287632), (448, 3082155), (480, 2876678), (560, 2465724), (672, 2054770), (840, 1643816), (960, 1438339), (1120, 1232862), (1344, 1027385), (1680, 821908), (2240, 616431), (3360, 410954), (6720, 205477)]