81083760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2579}}^1$

素因数の和:2726

約数の個数: 80

約数和(自身を含む): 253376640

約数和(自身を除く): 172292880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2096, 2579, 2620, 3144, 3930, 5158, 5240, 6288, 7737, 7860, 10316, 10480, 12895, 15474, 15720, 20632, 25790, 30948, 31440, 38685, 41264, 51580, 61896, 77370, 103160, 123792, 154740, 206320, 309480, 337849, 618960, 675698, 1013547, 1351396, 1689245, 2027094, 2702792, 3378490, 4054188, 5067735, 5405584, 6756980, 8108376, 10135470, 13513960, 16216752, 20270940, 27027920, 40541880, 81083760]

約数ペア:

[(1, 81083760), (2, 40541880), (3, 27027920), (4, 20270940), (5, 16216752), (6, 13513960), (8, 10135470), (10, 8108376), (12, 6756980), (15, 5405584), (16, 5067735), (20, 4054188), (24, 3378490), (30, 2702792), (40, 2027094), (48, 1689245), (60, 1351396), (80, 1013547), (120, 675698), (131, 618960), (240, 337849), (262, 309480), (393, 206320), (524, 154740), (655, 123792), (786, 103160), (1048, 77370), (1310, 61896), (1572, 51580), (1965, 41264), (2096, 38685), (2579, 31440), (2620, 30948), (3144, 25790), (3930, 20632), (5158, 15720), (5240, 15474), (6288, 12895), (7737, 10480), (7860, 10316)]