128658672

素因数分解:

$2^4\times 3^3\times {\mathrm{431}}^1\times {\mathrm{691}}^1$

素因数の和:1139

約数の個数: 80

約数和(自身を含む): 370690560

約数和(自身を除く): 242031888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 431, 432, 691, 862, 1293, 1382, 1724, 2073, 2586, 2764, 3448, 3879, 4146, 5172, 5528, 6219, 6896, 7758, 8292, 10344, 11056, 11637, 12438, 15516, 16584, 18657, 20688, 23274, 24876, 31032, 33168, 37314, 46548, 49752, 62064, 74628, 93096, 99504, 149256, 186192, 297821, 298512, 595642, 893463, 1191284, 1786926, 2382568, 2680389, 3573852, 4765136, 5360778, 7147704, 8041167, 10721556, 14295408, 16082334, 21443112, 32164668, 42886224, 64329336, 128658672]

約数ペア:

[(1, 128658672), (2, 64329336), (3, 42886224), (4, 32164668), (6, 21443112), (8, 16082334), (9, 14295408), (12, 10721556), (16, 8041167), (18, 7147704), (24, 5360778), (27, 4765136), (36, 3573852), (48, 2680389), (54, 2382568), (72, 1786926), (108, 1191284), (144, 893463), (216, 595642), (431, 298512), (432, 297821), (691, 186192), (862, 149256), (1293, 99504), (1382, 93096), (1724, 74628), (2073, 62064), (2586, 49752), (2764, 46548), (3448, 37314), (3879, 33168), (4146, 31032), (5172, 24876), (5528, 23274), (6219, 20688), (6896, 18657), (7758, 16584), (8292, 15516), (10344, 12438), (11056, 11637)]