320507064

素因数分解:

$2^3\times 3^3\times {\mathrm{71}}^1\times {\mathrm{20899}}^1$

素因数の和:20985

約数の個数: 64

約数和(自身を含む): 902880000

約数和(自身を除く): 582372936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 108, 142, 213, 216, 284, 426, 568, 639, 852, 1278, 1704, 1917, 2556, 3834, 5112, 7668, 15336, 20899, 41798, 62697, 83596, 125394, 167192, 188091, 250788, 376182, 501576, 564273, 752364, 1128546, 1483829, 1504728, 2257092, 2967658, 4451487, 4514184, 5935316, 8902974, 11870632, 13354461, 17805948, 26708922, 35611896, 40063383, 53417844, 80126766, 106835688, 160253532, 320507064]

約数ペア:

[(1, 320507064), (2, 160253532), (3, 106835688), (4, 80126766), (6, 53417844), (8, 40063383), (9, 35611896), (12, 26708922), (18, 17805948), (24, 13354461), (27, 11870632), (36, 8902974), (54, 5935316), (71, 4514184), (72, 4451487), (108, 2967658), (142, 2257092), (213, 1504728), (216, 1483829), (284, 1128546), (426, 752364), (568, 564273), (639, 501576), (852, 376182), (1278, 250788), (1704, 188091), (1917, 167192), (2556, 125394), (3834, 83596), (5112, 62697), (7668, 41798), (15336, 20899)]