720897786

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{293}}^1$

素因数の和:617

約数の個数: 128

約数和(自身を含む): 1923747840

約数和(自身を除く): 1202850054

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 54, 63, 69, 126, 138, 161, 189, 207, 283, 293, 322, 378, 414, 483, 566, 586, 621, 849, 879, 966, 1242, 1449, 1698, 1758, 1981, 2051, 2547, 2637, 2898, 3962, 4102, 4347, 5094, 5274, 5943, 6153, 6509, 6739, 7641, 7911, 8694, 11886, 12306, 13018, 13478, 15282, 15822, 17829, 18459, 19527, 20217, 35658, 36918, 39054, 40434, 45563, 47173, 53487, 55377, 58581, 60651, 82919, 91126, 94346, 106974, 110754, 117162, 121302, 136689, 141519, 165838, 175743, 181953, 248757, 273378, 283038, 351486, 363906, 410067, 424557, 497514, 580433, 746271, 820134, 849114, 1160866, 1230201, 1273671, 1492542, 1741299, 1907137, 2238813, 2460402, 2547342, 3482598, 3814274, 4477626, 5223897, 5721411, 10447794, 11442822, 13349959, 15671691, 17164233, 26699918, 31343382, 34328466, 40049877, 51492699, 80099754, 102985398, 120149631, 240299262, 360448893, 720897786]

約数ペア:

[(1, 720897786), (2, 360448893), (3, 240299262), (6, 120149631), (7, 102985398), (9, 80099754), (14, 51492699), (18, 40049877), (21, 34328466), (23, 31343382), (27, 26699918), (42, 17164233), (46, 15671691), (54, 13349959), (63, 11442822), (69, 10447794), (126, 5721411), (138, 5223897), (161, 4477626), (189, 3814274), (207, 3482598), (283, 2547342), (293, 2460402), (322, 2238813), (378, 1907137), (414, 1741299), (483, 1492542), (566, 1273671), (586, 1230201), (621, 1160866), (849, 849114), (879, 820134), (966, 746271), (1242, 580433), (1449, 497514), (1698, 424557), (1758, 410067), (1981, 363906), (2051, 351486), (2547, 283038), (2637, 273378), (2898, 248757), (3962, 181953), (4102, 175743), (4347, 165838), (5094, 141519), (5274, 136689), (5943, 121302), (6153, 117162), (6509, 110754), (6739, 106974), (7641, 94346), (7911, 91126), (8694, 82919), (11886, 60651), (12306, 58581), (13018, 55377), (13478, 53487), (15282, 47173), (15822, 45563), (17829, 40434), (18459, 39054), (19527, 36918), (20217, 35658)]