87256920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42773}}^1$

素因数の和:42804

約数の個数: 64

約数和(自身を含む): 277175520

約数和(自身を除く): 189918600

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, 42773, 85546, 128319, 171092, 213865, 256638, 342184, 427730, 513276, 641595, 727141, 855460, 1026552, 1283190, 1454282, 1710920, 2181423, 2566380, 2908564, 3635705, 4362846, 5132760, 5817128, 7271410, 8725692, 10907115, 14542820, 17451384, 21814230, 29085640, 43628460, 87256920]

約数ペア:

[(1, 87256920), (2, 43628460), (3, 29085640), (4, 21814230), (5, 17451384), (6, 14542820), (8, 10907115), (10, 8725692), (12, 7271410), (15, 5817128), (17, 5132760), (20, 4362846), (24, 3635705), (30, 2908564), (34, 2566380), (40, 2181423), (51, 1710920), (60, 1454282), (68, 1283190), (85, 1026552), (102, 855460), (120, 727141), (136, 641595), (170, 513276), (204, 427730), (255, 342184), (340, 256638), (408, 213865), (510, 171092), (680, 128319), (1020, 85546), (2040, 42773)]