207860310

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1549}}^1$

素因数の和:1643

約数の個数: 128

約数和(自身を含む): 642816000

約数和(自身を除く): 434955690

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 71, 90, 105, 126, 135, 142, 189, 210, 213, 270, 315, 355, 378, 426, 497, 630, 639, 710, 945, 994, 1065, 1278, 1491, 1549, 1890, 1917, 2130, 2485, 2982, 3098, 3195, 3834, 4473, 4647, 4970, 6390, 7455, 7745, 8946, 9294, 9585, 10843, 13419, 13941, 14910, 15490, 19170, 21686, 22365, 23235, 26838, 27882, 32529, 41823, 44730, 46470, 54215, 65058, 67095, 69705, 83646, 97587, 108430, 109979, 134190, 139410, 162645, 195174, 209115, 219958, 292761, 325290, 329937, 418230, 487935, 549895, 585522, 659874, 769853, 975870, 989811, 1099790, 1463805, 1539706, 1649685, 1979622, 2309559, 2927610, 2969433, 3299370, 3849265, 4619118, 4949055, 5938866, 6928677, 7698530, 9898110, 11547795, 13857354, 14847165, 20786031, 23095590, 29694330, 34643385, 41572062, 69286770, 103930155, 207860310]

約数ペア:

[(1, 207860310), (2, 103930155), (3, 69286770), (5, 41572062), (6, 34643385), (7, 29694330), (9, 23095590), (10, 20786031), (14, 14847165), (15, 13857354), (18, 11547795), (21, 9898110), (27, 7698530), (30, 6928677), (35, 5938866), (42, 4949055), (45, 4619118), (54, 3849265), (63, 3299370), (70, 2969433), (71, 2927610), (90, 2309559), (105, 1979622), (126, 1649685), (135, 1539706), (142, 1463805), (189, 1099790), (210, 989811), (213, 975870), (270, 769853), (315, 659874), (355, 585522), (378, 549895), (426, 487935), (497, 418230), (630, 329937), (639, 325290), (710, 292761), (945, 219958), (994, 209115), (1065, 195174), (1278, 162645), (1491, 139410), (1549, 134190), (1890, 109979), (1917, 108430), (2130, 97587), (2485, 83646), (2982, 69705), (3098, 67095), (3195, 65058), (3834, 54215), (4473, 46470), (4647, 44730), (4970, 41823), (6390, 32529), (7455, 27882), (7745, 26838), (8946, 23235), (9294, 22365), (9585, 21686), (10843, 19170), (13419, 15490), (13941, 14910)]