1320683312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{2551}}^1$

素因数の和:2722

約数の個数: 80

約数和(自身を含む): 2923979520

約数和(自身を除く): 1603296208

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 131, 152, 208, 247, 262, 304, 494, 524, 988, 1048, 1703, 1976, 2096, 2489, 2551, 3406, 3952, 4978, 5102, 6812, 9956, 10204, 13624, 19912, 20408, 27248, 32357, 33163, 39824, 40816, 48469, 64714, 66326, 96938, 129428, 132652, 193876, 258856, 265304, 334181, 387752, 517712, 530608, 630097, 668362, 775504, 1260194, 1336724, 2520388, 2673448, 4344353, 5040776, 5346896, 6349439, 8688706, 10081552, 12698878, 17377412, 25397756, 34754824, 50795512, 69509648, 82542707, 101591024, 165085414, 330170828, 660341656, 1320683312]

約数ペア:

[(1, 1320683312), (2, 660341656), (4, 330170828), (8, 165085414), (13, 101591024), (16, 82542707), (19, 69509648), (26, 50795512), (38, 34754824), (52, 25397756), (76, 17377412), (104, 12698878), (131, 10081552), (152, 8688706), (208, 6349439), (247, 5346896), (262, 5040776), (304, 4344353), (494, 2673448), (524, 2520388), (988, 1336724), (1048, 1260194), (1703, 775504), (1976, 668362), (2096, 630097), (2489, 530608), (2551, 517712), (3406, 387752), (3952, 334181), (4978, 265304), (5102, 258856), (6812, 193876), (9956, 132652), (10204, 129428), (13624, 96938), (19912, 66326), (20408, 64714), (27248, 48469), (32357, 40816), (33163, 39824)]