61755960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1987}}^1$

素因数の和:2045

約数の個数: 128

約数和(自身を含む): 217566720

約数和(自身を除く): 155810760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 1036, 1110, 1295, 1480, 1554, 1987, 2072, 2220, 2590, 3108, 3885, 3974, 4440, 5180, 5961, 6216, 7770, 7948, 9935, 10360, 11922, 13909, 15540, 15896, 19870, 23844, 27818, 29805, 31080, 39740, 41727, 47688, 55636, 59610, 69545, 73519, 79480, 83454, 111272, 119220, 139090, 147038, 166908, 208635, 220557, 238440, 278180, 294076, 333816, 367595, 417270, 441114, 514633, 556360, 588152, 735190, 834540, 882228, 1029266, 1102785, 1470380, 1543899, 1669080, 1764456, 2058532, 2205570, 2573165, 2940760, 3087798, 4117064, 4411140, 5146330, 6175596, 7719495, 8822280, 10292660, 12351192, 15438990, 20585320, 30877980, 61755960]

約数ペア:

[(1, 61755960), (2, 30877980), (3, 20585320), (4, 15438990), (5, 12351192), (6, 10292660), (7, 8822280), (8, 7719495), (10, 6175596), (12, 5146330), (14, 4411140), (15, 4117064), (20, 3087798), (21, 2940760), (24, 2573165), (28, 2205570), (30, 2058532), (35, 1764456), (37, 1669080), (40, 1543899), (42, 1470380), (56, 1102785), (60, 1029266), (70, 882228), (74, 834540), (84, 735190), (105, 588152), (111, 556360), (120, 514633), (140, 441114), (148, 417270), (168, 367595), (185, 333816), (210, 294076), (222, 278180), (259, 238440), (280, 220557), (296, 208635), (370, 166908), (420, 147038), (444, 139090), (518, 119220), (555, 111272), (740, 83454), (777, 79480), (840, 73519), (888, 69545), (1036, 59610), (1110, 55636), (1295, 47688), (1480, 41727), (1554, 39740), (1987, 31080), (2072, 29805), (2220, 27818), (2590, 23844), (3108, 19870), (3885, 15896), (3974, 15540), (4440, 13909), (5180, 11922), (5961, 10360), (6216, 9935), (7770, 7948)]