1955361440

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{1289}}^1$

素因数の和:1822

約数の個数: 96

約数和(自身を含む): 4876200000

約数和(自身を除く): 2920838560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 499, 608, 760, 998, 1289, 1520, 1996, 2495, 2578, 3040, 3992, 4990, 5156, 6445, 7984, 9481, 9980, 10312, 12890, 15968, 18962, 19960, 20624, 24491, 25780, 37924, 39920, 41248, 47405, 48982, 51560, 75848, 79840, 94810, 97964, 103120, 122455, 151696, 189620, 195928, 206240, 244910, 303392, 379240, 391856, 489820, 643211, 758480, 783712, 979640, 1286422, 1516960, 1959280, 2572844, 3216055, 3918560, 5145688, 6432110, 10291376, 12221009, 12864220, 20582752, 24442018, 25728440, 48884036, 51456880, 61105045, 97768072, 102913760, 122210090, 195536144, 244420180, 391072288, 488840360, 977680720, 1955361440]

約数ペア:

[(1, 1955361440), (2, 977680720), (4, 488840360), (5, 391072288), (8, 244420180), (10, 195536144), (16, 122210090), (19, 102913760), (20, 97768072), (32, 61105045), (38, 51456880), (40, 48884036), (76, 25728440), (80, 24442018), (95, 20582752), (152, 12864220), (160, 12221009), (190, 10291376), (304, 6432110), (380, 5145688), (499, 3918560), (608, 3216055), (760, 2572844), (998, 1959280), (1289, 1516960), (1520, 1286422), (1996, 979640), (2495, 783712), (2578, 758480), (3040, 643211), (3992, 489820), (4990, 391856), (5156, 379240), (6445, 303392), (7984, 244910), (9481, 206240), (9980, 195928), (10312, 189620), (12890, 151696), (15968, 122455), (18962, 103120), (19960, 97964), (20624, 94810), (24491, 79840), (25780, 75848), (37924, 51560), (39920, 48982), (41248, 47405)]