20160284320

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^3\times {\mathrm{137}}^1\times {\mathrm{691}}^1$

素因数の和:876

約数の個数: 192

約数和(自身を含む): 52846722432

約数和(自身を除く): 32686438112

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 137, 160, 176, 220, 242, 274, 352, 440, 484, 548, 605, 685, 691, 880, 968, 1096, 1210, 1331, 1370, 1382, 1507, 1760, 1936, 2192, 2420, 2662, 2740, 2764, 3014, 3455, 3872, 4384, 4840, 5324, 5480, 5528, 6028, 6655, 6910, 7535, 7601, 9680, 10648, 10960, 11056, 12056, 13310, 13820, 15070, 15202, 16577, 19360, 21296, 21920, 22112, 24112, 26620, 27640, 30140, 30404, 33154, 38005, 42592, 48224, 53240, 55280, 60280, 60808, 66308, 76010, 82885, 83611, 94667, 106480, 110560, 120560, 121616, 132616, 152020, 165770, 167222, 182347, 189334, 212960, 241120, 243232, 265232, 304040, 331540, 334444, 364694, 378668, 418055, 473335, 530464, 608080, 663080, 668888, 729388, 757336, 836110, 911735, 919721, 946670, 1041337, 1216160, 1326160, 1337776, 1458776, 1514672, 1672220, 1823470, 1839442, 1893340, 2082674, 2652320, 2675552, 2917552, 3029344, 3344440, 3646940, 3678884, 3786680, 4165348, 4598605, 5206685, 5835104, 6688880, 7293880, 7357768, 7573360, 8330696, 9197210, 10413370, 11454707, 13377760, 14587760, 14715536, 15146720, 16661392, 18394420, 20826740, 22909414, 29175520, 29431072, 33322784, 36788840, 41653480, 45818828, 57273535, 73577680, 83306960, 91637656, 114547070, 126001777, 147155360, 166613920, 183275312, 229094140, 252003554, 366550624, 458188280, 504007108, 630008885, 916376560, 1008014216, 1260017770, 1832753120, 2016028432, 2520035540, 4032056864, 5040071080, 10080142160, 20160284320]

約数ペア:

[(1, 20160284320), (2, 10080142160), (4, 5040071080), (5, 4032056864), (8, 2520035540), (10, 2016028432), (11, 1832753120), (16, 1260017770), (20, 1008014216), (22, 916376560), (32, 630008885), (40, 504007108), (44, 458188280), (55, 366550624), (80, 252003554), (88, 229094140), (110, 183275312), (121, 166613920), (137, 147155360), (160, 126001777), (176, 114547070), (220, 91637656), (242, 83306960), (274, 73577680), (352, 57273535), (440, 45818828), (484, 41653480), (548, 36788840), (605, 33322784), (685, 29431072), (691, 29175520), (880, 22909414), (968, 20826740), (1096, 18394420), (1210, 16661392), (1331, 15146720), (1370, 14715536), (1382, 14587760), (1507, 13377760), (1760, 11454707), (1936, 10413370), (2192, 9197210), (2420, 8330696), (2662, 7573360), (2740, 7357768), (2764, 7293880), (3014, 6688880), (3455, 5835104), (3872, 5206685), (4384, 4598605), (4840, 4165348), (5324, 3786680), (5480, 3678884), (5528, 3646940), (6028, 3344440), (6655, 3029344), (6910, 2917552), (7535, 2675552), (7601, 2652320), (9680, 2082674), (10648, 1893340), (10960, 1839442), (11056, 1823470), (12056, 1672220), (13310, 1514672), (13820, 1458776), (15070, 1337776), (15202, 1326160), (16577, 1216160), (19360, 1041337), (21296, 946670), (21920, 919721), (22112, 911735), (24112, 836110), (26620, 757336), (27640, 729388), (30140, 668888), (30404, 663080), (33154, 608080), (38005, 530464), (42592, 473335), (48224, 418055), (53240, 378668), (55280, 364694), (60280, 334444), (60808, 331540), (66308, 304040), (76010, 265232), (82885, 243232), (83611, 241120), (94667, 212960), (106480, 189334), (110560, 182347), (120560, 167222), (121616, 165770), (132616, 152020)]