128260920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{62873}}^1$

素因数の和:62904

約数の個数: 64

約数和(自身を含む): 407423520

約数和(自身を除く): 279162600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 62873, 125746, 188619, 251492, 314365, 377238, 502984, 628730, 754476, 943095, 1068841, 1257460, 1508952, 1886190, 2137682, 2514920, 3206523, 3772380, 4275364, 5344205, 6413046, 7544760, 8550728, 10688410, 12826092, 16032615, 21376820, 25652184, 32065230, 42753640, 64130460, 128260920]

約数ペア:

[(1, 128260920), (2, 64130460), (3, 42753640), (4, 32065230), (5, 25652184), (6, 21376820), (8, 16032615), (10, 12826092), (12, 10688410), (15, 8550728), (17, 7544760), (20, 6413046), (24, 5344205), (30, 4275364), (34, 3772380), (40, 3206523), (51, 2514920), (60, 2137682), (68, 1886190), (85, 1508952), (102, 1257460), (120, 1068841), (136, 943095), (170, 754476), (204, 628730), (255, 502984), (340, 377238), (408, 314365), (510, 251492), (680, 188619), (1020, 125746), (2040, 62873)]