1555479972

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:418

約数の個数: 144

約数和(自身を含む): 4207012992

約数和(自身を除く): 2651533020

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 97, 107, 138, 181, 194, 207, 214, 276, 291, 321, 362, 388, 414, 428, 543, 582, 642, 724, 828, 873, 963, 1086, 1164, 1284, 1629, 1746, 1926, 2172, 2231, 2461, 3258, 3492, 3852, 4163, 4462, 4922, 6516, 6693, 7383, 8326, 8924, 9844, 10379, 12489, 13386, 14766, 16652, 17557, 19367, 20079, 20758, 22149, 24978, 26772, 29532, 31137, 35114, 37467, 38734, 40158, 41516, 44298, 49956, 52671, 58101, 62274, 70228, 74934, 77468, 80316, 88596, 93411, 105342, 116202, 124548, 149868, 158013, 174303, 186822, 210684, 232404, 238717, 316026, 348606, 373644, 403811, 445441, 477434, 632052, 697212, 716151, 807622, 890882, 954868, 1211433, 1336323, 1432302, 1615244, 1781764, 1878599, 2148453, 2422866, 2672646, 2864604, 3634299, 3757198, 4008969, 4296906, 4845732, 5345292, 5635797, 7268598, 7514396, 8017938, 8593812, 11271594, 14537196, 16035876, 16907391, 22543188, 33814782, 43207777, 67629564, 86415554, 129623331, 172831108, 259246662, 388869993, 518493324, 777739986, 1555479972]

約数ペア:

[(1, 1555479972), (2, 777739986), (3, 518493324), (4, 388869993), (6, 259246662), (9, 172831108), (12, 129623331), (18, 86415554), (23, 67629564), (36, 43207777), (46, 33814782), (69, 22543188), (92, 16907391), (97, 16035876), (107, 14537196), (138, 11271594), (181, 8593812), (194, 8017938), (207, 7514396), (214, 7268598), (276, 5635797), (291, 5345292), (321, 4845732), (362, 4296906), (388, 4008969), (414, 3757198), (428, 3634299), (543, 2864604), (582, 2672646), (642, 2422866), (724, 2148453), (828, 1878599), (873, 1781764), (963, 1615244), (1086, 1432302), (1164, 1336323), (1284, 1211433), (1629, 954868), (1746, 890882), (1926, 807622), (2172, 716151), (2231, 697212), (2461, 632052), (3258, 477434), (3492, 445441), (3852, 403811), (4163, 373644), (4462, 348606), (4922, 316026), (6516, 238717), (6693, 232404), (7383, 210684), (8326, 186822), (8924, 174303), (9844, 158013), (10379, 149868), (12489, 124548), (13386, 116202), (14766, 105342), (16652, 93411), (17557, 88596), (19367, 80316), (20079, 77468), (20758, 74934), (22149, 70228), (24978, 62274), (26772, 58101), (29532, 52671), (31137, 49956), (35114, 44298), (37467, 41516), (38734, 40158)]