20312640

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{2351}}^1$

素因数の和:2377

約数の個数: 112

約数和(自身を含む): 71688960

約数和(自身を除く): 51376320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2351, 2880, 4320, 4702, 7053, 8640, 9404, 11755, 14106, 18808, 21159, 23510, 28212, 35265, 37616, 42318, 47020, 56424, 63477, 70530, 75232, 84636, 94040, 105795, 112848, 126954, 141060, 150464, 169272, 188080, 211590, 225696, 253908, 282120, 317385, 338544, 376160, 423180, 451392, 507816, 564240, 634770, 677088, 752320, 846360, 1015632, 1128480, 1269540, 1354176, 1692720, 2031264, 2256960, 2539080, 3385440, 4062528, 5078160, 6770880, 10156320, 20312640]

約数ペア:

[(1, 20312640), (2, 10156320), (3, 6770880), (4, 5078160), (5, 4062528), (6, 3385440), (8, 2539080), (9, 2256960), (10, 2031264), (12, 1692720), (15, 1354176), (16, 1269540), (18, 1128480), (20, 1015632), (24, 846360), (27, 752320), (30, 677088), (32, 634770), (36, 564240), (40, 507816), (45, 451392), (48, 423180), (54, 376160), (60, 338544), (64, 317385), (72, 282120), (80, 253908), (90, 225696), (96, 211590), (108, 188080), (120, 169272), (135, 150464), (144, 141060), (160, 126954), (180, 112848), (192, 105795), (216, 94040), (240, 84636), (270, 75232), (288, 70530), (320, 63477), (360, 56424), (432, 47020), (480, 42318), (540, 37616), (576, 35265), (720, 28212), (864, 23510), (960, 21159), (1080, 18808), (1440, 14106), (1728, 11755), (2160, 9404), (2351, 8640), (2880, 7053), (4320, 4702)]