31358160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{449}}^1$

素因数の和:565

約数の個数: 120

約数和(自身を含む): 106633800

約数和(自身を除く): 75275640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 97, 120, 144, 180, 194, 240, 291, 360, 388, 449, 485, 582, 720, 776, 873, 898, 970, 1164, 1347, 1455, 1552, 1746, 1796, 1940, 2245, 2328, 2694, 2910, 3492, 3592, 3880, 4041, 4365, 4490, 4656, 5388, 5820, 6735, 6984, 7184, 7760, 8082, 8730, 8980, 10776, 11640, 13470, 13968, 16164, 17460, 17960, 20205, 21552, 23280, 26940, 32328, 34920, 35920, 40410, 43553, 53880, 64656, 69840, 80820, 87106, 107760, 130659, 161640, 174212, 217765, 261318, 323280, 348424, 391977, 435530, 522636, 653295, 696848, 783954, 871060, 1045272, 1306590, 1567908, 1742120, 1959885, 2090544, 2613180, 3135816, 3484240, 3919770, 5226360, 6271632, 7839540, 10452720, 15679080, 31358160]

約数ペア:

[(1, 31358160), (2, 15679080), (3, 10452720), (4, 7839540), (5, 6271632), (6, 5226360), (8, 3919770), (9, 3484240), (10, 3135816), (12, 2613180), (15, 2090544), (16, 1959885), (18, 1742120), (20, 1567908), (24, 1306590), (30, 1045272), (36, 871060), (40, 783954), (45, 696848), (48, 653295), (60, 522636), (72, 435530), (80, 391977), (90, 348424), (97, 323280), (120, 261318), (144, 217765), (180, 174212), (194, 161640), (240, 130659), (291, 107760), (360, 87106), (388, 80820), (449, 69840), (485, 64656), (582, 53880), (720, 43553), (776, 40410), (873, 35920), (898, 34920), (970, 32328), (1164, 26940), (1347, 23280), (1455, 21552), (1552, 20205), (1746, 17960), (1796, 17460), (1940, 16164), (2245, 13968), (2328, 13470), (2694, 11640), (2910, 10776), (3492, 8980), (3592, 8730), (3880, 8082), (4041, 7760), (4365, 7184), (4490, 6984), (4656, 6735), (5388, 5820)]