31172760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:809

約数の個数: 96

約数和(自身を含む): 102239280

約数和(自身を除く): 71066520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 131, 180, 262, 360, 393, 524, 655, 661, 786, 1048, 1179, 1310, 1322, 1572, 1965, 1983, 2358, 2620, 2644, 3144, 3305, 3930, 3966, 4716, 5240, 5288, 5895, 5949, 6610, 7860, 7932, 9432, 9915, 11790, 11898, 13220, 15720, 15864, 19830, 23580, 23796, 26440, 29745, 39660, 47160, 47592, 59490, 79320, 86591, 118980, 173182, 237960, 259773, 346364, 432955, 519546, 692728, 779319, 865910, 1039092, 1298865, 1558638, 1731820, 2078184, 2597730, 3117276, 3463640, 3896595, 5195460, 6234552, 7793190, 10390920, 15586380, 31172760]

約数ペア:

[(1, 31172760), (2, 15586380), (3, 10390920), (4, 7793190), (5, 6234552), (6, 5195460), (8, 3896595), (9, 3463640), (10, 3117276), (12, 2597730), (15, 2078184), (18, 1731820), (20, 1558638), (24, 1298865), (30, 1039092), (36, 865910), (40, 779319), (45, 692728), (60, 519546), (72, 432955), (90, 346364), (120, 259773), (131, 237960), (180, 173182), (262, 118980), (360, 86591), (393, 79320), (524, 59490), (655, 47592), (661, 47160), (786, 39660), (1048, 29745), (1179, 26440), (1310, 23796), (1322, 23580), (1572, 19830), (1965, 15864), (1983, 15720), (2358, 13220), (2620, 11898), (2644, 11790), (3144, 9915), (3305, 9432), (3930, 7932), (3966, 7860), (4716, 6610), (5240, 5949), (5288, 5895)]