128793960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2731}}^1$

素因数の和:2879

約数の個数: 96

約数和(自身を含む): 421930080

約数和(自身を除く): 293136120

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, 786, 1048, 1179, 1310, 1572, 1965, 2358, 2620, 2731, 3144, 3930, 4716, 5240, 5462, 5895, 7860, 8193, 9432, 10924, 11790, 13655, 15720, 16386, 21848, 23580, 24579, 27310, 32772, 40965, 47160, 49158, 54620, 65544, 81930, 98316, 109240, 122895, 163860, 196632, 245790, 327720, 357761, 491580, 715522, 983160, 1073283, 1431044, 1788805, 2146566, 2862088, 3219849, 3577610, 4293132, 5366415, 6439698, 7155220, 8586264, 10732830, 12879396, 14310440, 16099245, 21465660, 25758792, 32198490, 42931320, 64396980, 128793960]

約数ペア:

[(1, 128793960), (2, 64396980), (3, 42931320), (4, 32198490), (5, 25758792), (6, 21465660), (8, 16099245), (9, 14310440), (10, 12879396), (12, 10732830), (15, 8586264), (18, 7155220), (20, 6439698), (24, 5366415), (30, 4293132), (36, 3577610), (40, 3219849), (45, 2862088), (60, 2146566), (72, 1788805), (90, 1431044), (120, 1073283), (131, 983160), (180, 715522), (262, 491580), (360, 357761), (393, 327720), (524, 245790), (655, 196632), (786, 163860), (1048, 122895), (1179, 109240), (1310, 98316), (1572, 81930), (1965, 65544), (2358, 54620), (2620, 49158), (2731, 47160), (3144, 40965), (3930, 32772), (4716, 27310), (5240, 24579), (5462, 23580), (5895, 21848), (7860, 16386), (8193, 15720), (9432, 13655), (10924, 11790)]