72856728

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:326

約数の個数: 144

約数和(自身を含む): 232881480

約数和(自身を除く): 160024752

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 107, 126, 147, 168, 193, 196, 214, 252, 294, 321, 386, 392, 428, 441, 504, 579, 588, 642, 749, 772, 856, 882, 963, 1158, 1176, 1284, 1351, 1498, 1544, 1737, 1764, 1926, 2247, 2316, 2568, 2702, 2996, 3474, 3528, 3852, 4053, 4494, 4632, 5243, 5404, 5992, 6741, 6948, 7704, 8106, 8988, 9457, 10486, 10808, 12159, 13482, 13896, 15729, 16212, 17976, 18914, 20651, 20972, 24318, 26964, 28371, 31458, 32424, 37828, 41302, 41944, 47187, 48636, 53928, 56742, 61953, 62916, 75656, 82604, 85113, 94374, 97272, 113484, 123906, 125832, 144557, 165208, 170226, 185859, 188748, 226968, 247812, 289114, 340452, 371718, 377496, 433671, 495624, 578228, 680904, 743436, 867342, 1011899, 1156456, 1301013, 1486872, 1734684, 2023798, 2602026, 3035697, 3469368, 4047596, 5204052, 6071394, 8095192, 9107091, 10408104, 12142788, 18214182, 24285576, 36428364, 72856728]

約数ペア:

[(1, 72856728), (2, 36428364), (3, 24285576), (4, 18214182), (6, 12142788), (7, 10408104), (8, 9107091), (9, 8095192), (12, 6071394), (14, 5204052), (18, 4047596), (21, 3469368), (24, 3035697), (28, 2602026), (36, 2023798), (42, 1734684), (49, 1486872), (56, 1301013), (63, 1156456), (72, 1011899), (84, 867342), (98, 743436), (107, 680904), (126, 578228), (147, 495624), (168, 433671), (193, 377496), (196, 371718), (214, 340452), (252, 289114), (294, 247812), (321, 226968), (386, 188748), (392, 185859), (428, 170226), (441, 165208), (504, 144557), (579, 125832), (588, 123906), (642, 113484), (749, 97272), (772, 94374), (856, 85113), (882, 82604), (963, 75656), (1158, 62916), (1176, 61953), (1284, 56742), (1351, 53928), (1498, 48636), (1544, 47187), (1737, 41944), (1764, 41302), (1926, 37828), (2247, 32424), (2316, 31458), (2568, 28371), (2702, 26964), (2996, 24318), (3474, 20972), (3528, 20651), (3852, 18914), (4053, 17976), (4494, 16212), (4632, 15729), (5243, 13896), (5404, 13482), (5992, 12159), (6741, 10808), (6948, 10486), (7704, 9457), (8106, 8988)]