15679728180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{263171}}^1$

素因数の和:263517

約数の個数: 72

約数和(自身を含む): 47705714784

約数和(自身を除く): 32025986604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 662, 993, 1324, 1655, 1986, 2979, 3310, 3972, 4965, 5958, 6620, 9930, 11916, 14895, 19860, 29790, 59580, 263171, 526342, 789513, 1052684, 1315855, 1579026, 2368539, 2631710, 3158052, 3947565, 4737078, 5263420, 7895130, 9474156, 11842695, 15790260, 23685390, 47370780, 87109601, 174219202, 261328803, 348438404, 435548005, 522657606, 783986409, 871096010, 1045315212, 1306644015, 1567972818, 1742192020, 2613288030, 3135945636, 3919932045, 5226576060, 7839864090, 15679728180]

約数ペア:

[(1, 15679728180), (2, 7839864090), (3, 5226576060), (4, 3919932045), (5, 3135945636), (6, 2613288030), (9, 1742192020), (10, 1567972818), (12, 1306644015), (15, 1045315212), (18, 871096010), (20, 783986409), (30, 522657606), (36, 435548005), (45, 348438404), (60, 261328803), (90, 174219202), (180, 87109601), (331, 47370780), (662, 23685390), (993, 15790260), (1324, 11842695), (1655, 9474156), (1986, 7895130), (2979, 5263420), (3310, 4737078), (3972, 3947565), (4965, 3158052), (5958, 2631710), (6620, 2368539), (9930, 1579026), (11916, 1315855), (14895, 1052684), (19860, 789513), (29790, 526342), (59580, 263171)]