278639712

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3917}}^1$

素因数の和:3965

約数の個数: 144

約数和(自身を含む): 898475760

約数和(自身を除く): 619836048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 32, 36, 38, 39, 48, 52, 57, 72, 76, 78, 96, 104, 114, 117, 144, 152, 156, 171, 208, 228, 234, 247, 288, 304, 312, 342, 416, 456, 468, 494, 608, 624, 684, 741, 912, 936, 988, 1248, 1368, 1482, 1824, 1872, 1976, 2223, 2736, 2964, 3744, 3917, 3952, 4446, 5472, 5928, 7834, 7904, 8892, 11751, 11856, 15668, 17784, 23502, 23712, 31336, 35253, 35568, 47004, 50921, 62672, 70506, 71136, 74423, 94008, 101842, 125344, 141012, 148846, 152763, 188016, 203684, 223269, 282024, 297692, 305526, 376032, 407368, 446538, 458289, 564048, 595384, 611052, 669807, 814736, 893076, 916578, 967499, 1128096, 1190768, 1222104, 1339614, 1629472, 1786152, 1833156, 1934998, 2381536, 2444208, 2679228, 2902497, 3572304, 3666312, 3869996, 4888416, 5358456, 5804994, 7144608, 7332624, 7739992, 8707491, 10716912, 11609988, 14665248, 15479984, 17414982, 21433824, 23219976, 30959968, 34829964, 46439952, 69659928, 92879904, 139319856, 278639712]

約数ペア:

[(1, 278639712), (2, 139319856), (3, 92879904), (4, 69659928), (6, 46439952), (8, 34829964), (9, 30959968), (12, 23219976), (13, 21433824), (16, 17414982), (18, 15479984), (19, 14665248), (24, 11609988), (26, 10716912), (32, 8707491), (36, 7739992), (38, 7332624), (39, 7144608), (48, 5804994), (52, 5358456), (57, 4888416), (72, 3869996), (76, 3666312), (78, 3572304), (96, 2902497), (104, 2679228), (114, 2444208), (117, 2381536), (144, 1934998), (152, 1833156), (156, 1786152), (171, 1629472), (208, 1339614), (228, 1222104), (234, 1190768), (247, 1128096), (288, 967499), (304, 916578), (312, 893076), (342, 814736), (416, 669807), (456, 611052), (468, 595384), (494, 564048), (608, 458289), (624, 446538), (684, 407368), (741, 376032), (912, 305526), (936, 297692), (988, 282024), (1248, 223269), (1368, 203684), (1482, 188016), (1824, 152763), (1872, 148846), (1976, 141012), (2223, 125344), (2736, 101842), (2964, 94008), (3744, 74423), (3917, 71136), (3952, 70506), (4446, 62672), (5472, 50921), (5928, 47004), (7834, 35568), (7904, 35253), (8892, 31336), (11751, 23712), (11856, 23502), (15668, 17784)]