1320231968

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:727

約数の個数: 144

約数和(自身を含む): 3127444992

約数和(自身を除く): 1807213024

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 31, 32, 34, 44, 62, 68, 88, 121, 124, 136, 176, 187, 242, 248, 272, 341, 352, 374, 484, 496, 527, 544, 647, 682, 748, 968, 992, 1054, 1294, 1364, 1496, 1936, 2057, 2108, 2588, 2728, 2992, 3751, 3872, 4114, 4216, 5176, 5456, 5797, 5984, 7117, 7502, 8228, 8432, 10352, 10912, 10999, 11594, 14234, 15004, 16456, 16864, 20057, 20704, 21998, 23188, 28468, 30008, 32912, 40114, 43996, 46376, 56936, 60016, 63767, 65824, 78287, 80228, 87992, 92752, 113872, 120032, 120989, 127534, 156574, 160456, 175984, 185504, 220627, 227744, 241978, 255068, 313148, 320912, 340969, 351968, 441254, 483956, 510136, 626296, 641824, 681938, 882508, 967912, 1020272, 1252592, 1330879, 1363876, 1765016, 1935824, 2040544, 2426897, 2505184, 2661758, 2727752, 3530032, 3750659, 3871648, 4853794, 5323516, 5455504, 7060064, 7501318, 9707588, 10647032, 10911008, 15002636, 19415176, 21294064, 30005272, 38830352, 41257249, 42588128, 60010544, 77660704, 82514498, 120021088, 165028996, 330057992, 660115984, 1320231968]

約数ペア:

[(1, 1320231968), (2, 660115984), (4, 330057992), (8, 165028996), (11, 120021088), (16, 82514498), (17, 77660704), (22, 60010544), (31, 42588128), (32, 41257249), (34, 38830352), (44, 30005272), (62, 21294064), (68, 19415176), (88, 15002636), (121, 10911008), (124, 10647032), (136, 9707588), (176, 7501318), (187, 7060064), (242, 5455504), (248, 5323516), (272, 4853794), (341, 3871648), (352, 3750659), (374, 3530032), (484, 2727752), (496, 2661758), (527, 2505184), (544, 2426897), (647, 2040544), (682, 1935824), (748, 1765016), (968, 1363876), (992, 1330879), (1054, 1252592), (1294, 1020272), (1364, 967912), (1496, 882508), (1936, 681938), (2057, 641824), (2108, 626296), (2588, 510136), (2728, 483956), (2992, 441254), (3751, 351968), (3872, 340969), (4114, 320912), (4216, 313148), (5176, 255068), (5456, 241978), (5797, 227744), (5984, 220627), (7117, 185504), (7502, 175984), (8228, 160456), (8432, 156574), (10352, 127534), (10912, 120989), (10999, 120032), (11594, 113872), (14234, 92752), (15004, 87992), (16456, 80228), (16864, 78287), (20057, 65824), (20704, 63767), (21998, 60016), (23188, 56936), (28468, 46376), (30008, 43996), (32912, 40114)]