8668890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 23425920

約数和(自身を除く): 14757030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 97, 135, 194, 270, 291, 331, 485, 582, 662, 873, 970, 993, 1455, 1655, 1746, 1986, 2619, 2910, 2979, 3310, 4365, 4965, 5238, 5958, 8730, 8937, 9930, 13095, 14895, 17874, 26190, 29790, 32107, 44685, 64214, 89370, 96321, 160535, 192642, 288963, 321070, 481605, 577926, 866889, 963210, 1444815, 1733778, 2889630, 4334445, 8668890]

約数ペア:

[(1, 8668890), (2, 4334445), (3, 2889630), (5, 1733778), (6, 1444815), (9, 963210), (10, 866889), (15, 577926), (18, 481605), (27, 321070), (30, 288963), (45, 192642), (54, 160535), (90, 96321), (97, 89370), (135, 64214), (194, 44685), (270, 32107), (291, 29790), (331, 26190), (485, 17874), (582, 14895), (662, 13095), (873, 9930), (970, 8937), (993, 8730), (1455, 5958), (1655, 5238), (1746, 4965), (1986, 4365), (2619, 3310), (2910, 2979)]