81805392

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:281

約数の個数: 120

約数和(自身を含む): 237866720

約数和(自身を除く): 156061328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 67, 72, 122, 134, 139, 144, 183, 201, 244, 268, 278, 366, 402, 417, 488, 536, 549, 556, 603, 732, 804, 834, 976, 1072, 1098, 1112, 1206, 1251, 1464, 1608, 1668, 2196, 2224, 2412, 2502, 2928, 3216, 3336, 4087, 4392, 4824, 5004, 6672, 8174, 8479, 8784, 9313, 9648, 10008, 12261, 16348, 16958, 18626, 20016, 24522, 25437, 27939, 32696, 33916, 36783, 37252, 49044, 50874, 55878, 65392, 67832, 73566, 74504, 76311, 83817, 98088, 101748, 111756, 135664, 147132, 149008, 152622, 167634, 196176, 203496, 223512, 294264, 305244, 335268, 406992, 447024, 568093, 588528, 610488, 670536, 1136186, 1220976, 1341072, 1704279, 2272372, 3408558, 4544744, 5112837, 6817116, 9089488, 10225674, 13634232, 20451348, 27268464, 40902696, 81805392]

約数ペア:

[(1, 81805392), (2, 40902696), (3, 27268464), (4, 20451348), (6, 13634232), (8, 10225674), (9, 9089488), (12, 6817116), (16, 5112837), (18, 4544744), (24, 3408558), (36, 2272372), (48, 1704279), (61, 1341072), (67, 1220976), (72, 1136186), (122, 670536), (134, 610488), (139, 588528), (144, 568093), (183, 447024), (201, 406992), (244, 335268), (268, 305244), (278, 294264), (366, 223512), (402, 203496), (417, 196176), (488, 167634), (536, 152622), (549, 149008), (556, 147132), (603, 135664), (732, 111756), (804, 101748), (834, 98088), (976, 83817), (1072, 76311), (1098, 74504), (1112, 73566), (1206, 67832), (1251, 65392), (1464, 55878), (1608, 50874), (1668, 49044), (2196, 37252), (2224, 36783), (2412, 33916), (2502, 32696), (2928, 27939), (3216, 25437), (3336, 24522), (4087, 20016), (4392, 18626), (4824, 16958), (5004, 16348), (6672, 12261), (8174, 10008), (8479, 9648), (8784, 9313)]