121570460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 290594304

約数和(自身を除く): 169023844

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 71, 86, 110, 142, 172, 181, 215, 220, 284, 355, 362, 430, 473, 710, 724, 781, 860, 905, 946, 1420, 1562, 1810, 1892, 1991, 2365, 3053, 3124, 3620, 3905, 3982, 4730, 6106, 7783, 7810, 7964, 9460, 9955, 12212, 12851, 15265, 15566, 15620, 19910, 25702, 30530, 31132, 33583, 38915, 39820, 51404, 61060, 64255, 67166, 77830, 85613, 128510, 134332, 141361, 155660, 167915, 171226, 257020, 282722, 335830, 342452, 428065, 552593, 565444, 671660, 706805, 856130, 1105186, 1413610, 1712260, 2210372, 2762965, 2827220, 5525930, 6078523, 11051860, 12157046, 24314092, 30392615, 60785230, 121570460]

約数ペア:

[(1, 121570460), (2, 60785230), (4, 30392615), (5, 24314092), (10, 12157046), (11, 11051860), (20, 6078523), (22, 5525930), (43, 2827220), (44, 2762965), (55, 2210372), (71, 1712260), (86, 1413610), (110, 1105186), (142, 856130), (172, 706805), (181, 671660), (215, 565444), (220, 552593), (284, 428065), (355, 342452), (362, 335830), (430, 282722), (473, 257020), (710, 171226), (724, 167915), (781, 155660), (860, 141361), (905, 134332), (946, 128510), (1420, 85613), (1562, 77830), (1810, 67166), (1892, 64255), (1991, 61060), (2365, 51404), (3053, 39820), (3124, 38915), (3620, 33583), (3905, 31132), (3982, 30530), (4730, 25702), (6106, 19910), (7783, 15620), (7810, 15566), (7964, 15265), (9460, 12851), (9955, 12212)]