31480680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3407}}^1$

素因数の和:3439

約数の個数: 128

約数和(自身を含む): 117780480

約数和(自身を除く): 86299800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 3407, 4620, 6814, 9240, 10221, 13628, 17035, 20442, 23849, 27256, 34070, 37477, 40884, 47698, 51105, 68140, 71547, 74954, 81768, 95396, 102210, 112431, 119245, 136280, 143094, 149908, 187385, 190792, 204420, 224862, 238490, 262339, 286188, 299816, 357735, 374770, 408840, 449724, 476980, 524678, 562155, 572376, 715470, 749540, 787017, 899448, 953960, 1049356, 1124310, 1311695, 1430940, 1499080, 1574034, 2098712, 2248620, 2623390, 2861880, 3148068, 3935085, 4497240, 5246780, 6296136, 7870170, 10493560, 15740340, 31480680]

約数ペア:

[(1, 31480680), (2, 15740340), (3, 10493560), (4, 7870170), (5, 6296136), (6, 5246780), (7, 4497240), (8, 3935085), (10, 3148068), (11, 2861880), (12, 2623390), (14, 2248620), (15, 2098712), (20, 1574034), (21, 1499080), (22, 1430940), (24, 1311695), (28, 1124310), (30, 1049356), (33, 953960), (35, 899448), (40, 787017), (42, 749540), (44, 715470), (55, 572376), (56, 562155), (60, 524678), (66, 476980), (70, 449724), (77, 408840), (84, 374770), (88, 357735), (105, 299816), (110, 286188), (120, 262339), (132, 238490), (140, 224862), (154, 204420), (165, 190792), (168, 187385), (210, 149908), (220, 143094), (231, 136280), (264, 119245), (280, 112431), (308, 102210), (330, 95396), (385, 81768), (420, 74954), (440, 71547), (462, 68140), (616, 51105), (660, 47698), (770, 40884), (840, 37477), (924, 34070), (1155, 27256), (1320, 23849), (1540, 20442), (1848, 17035), (2310, 13628), (3080, 10221), (3407, 9240), (4620, 6814)]