128327220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2039

約数の個数: 192

約数和(自身を含む): 483356160

約数和(自身を除く): 355028940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 51, 54, 60, 63, 68, 70, 84, 85, 90, 102, 105, 108, 119, 126, 135, 140, 153, 170, 180, 189, 204, 210, 238, 252, 255, 270, 306, 315, 340, 357, 378, 420, 459, 476, 510, 540, 595, 612, 630, 714, 756, 765, 918, 945, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 1836, 1890, 1997, 2142, 2295, 2380, 3060, 3213, 3570, 3780, 3994, 4284, 4590, 5355, 5991, 6426, 7140, 7988, 9180, 9985, 10710, 11982, 12852, 13979, 16065, 17973, 19970, 21420, 23964, 27958, 29955, 32130, 33949, 35946, 39940, 41937, 53919, 55916, 59910, 64260, 67898, 69895, 71892, 83874, 89865, 101847, 107838, 119820, 125811, 135796, 139790, 167748, 169745, 179730, 203694, 209685, 215676, 237643, 251622, 269595, 279580, 305541, 339490, 359460, 377433, 407388, 419370, 475286, 503244, 509235, 539190, 611082, 629055, 678980, 712929, 754866, 838740, 916623, 950572, 1018470, 1078380, 1188215, 1222164, 1258110, 1425858, 1509732, 1527705, 1833246, 1887165, 2036940, 2138787, 2376430, 2516220, 2851716, 3055410, 3564645, 3666492, 3774330, 4277574, 4583115, 4752860, 6110820, 6416361, 7129290, 7548660, 8555148, 9166230, 10693935, 12832722, 14258580, 18332460, 21387870, 25665444, 32081805, 42775740, 64163610, 128327220]

約数ペア:

[(1, 128327220), (2, 64163610), (3, 42775740), (4, 32081805), (5, 25665444), (6, 21387870), (7, 18332460), (9, 14258580), (10, 12832722), (12, 10693935), (14, 9166230), (15, 8555148), (17, 7548660), (18, 7129290), (20, 6416361), (21, 6110820), (27, 4752860), (28, 4583115), (30, 4277574), (34, 3774330), (35, 3666492), (36, 3564645), (42, 3055410), (45, 2851716), (51, 2516220), (54, 2376430), (60, 2138787), (63, 2036940), (68, 1887165), (70, 1833246), (84, 1527705), (85, 1509732), (90, 1425858), (102, 1258110), (105, 1222164), (108, 1188215), (119, 1078380), (126, 1018470), (135, 950572), (140, 916623), (153, 838740), (170, 754866), (180, 712929), (189, 678980), (204, 629055), (210, 611082), (238, 539190), (252, 509235), (255, 503244), (270, 475286), (306, 419370), (315, 407388), (340, 377433), (357, 359460), (378, 339490), (420, 305541), (459, 279580), (476, 269595), (510, 251622), (540, 237643), (595, 215676), (612, 209685), (630, 203694), (714, 179730), (756, 169745), (765, 167748), (918, 139790), (945, 135796), (1020, 125811), (1071, 119820), (1190, 107838), (1260, 101847), (1428, 89865), (1530, 83874), (1785, 71892), (1836, 69895), (1890, 67898), (1997, 64260), (2142, 59910), (2295, 55916), (2380, 53919), (3060, 41937), (3213, 39940), (3570, 35946), (3780, 33949), (3994, 32130), (4284, 29955), (4590, 27958), (5355, 23964), (5991, 21420), (6426, 19970), (7140, 17973), (7988, 16065), (9180, 13979), (9985, 12852), (10710, 11982)]