638615340

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{35837}}^1$

素因数の和:35869

約数の個数: 120

約数和(自身を含む): 2185544592

約数和(自身を除く): 1546929252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 270, 297, 324, 330, 396, 405, 495, 540, 594, 660, 810, 891, 990, 1188, 1485, 1620, 1782, 1980, 2970, 3564, 4455, 5940, 8910, 17820, 35837, 71674, 107511, 143348, 179185, 215022, 322533, 358370, 394207, 430044, 537555, 645066, 716740, 788414, 967599, 1075110, 1182621, 1290132, 1576828, 1612665, 1935198, 1971035, 2150220, 2365242, 2902797, 3225330, 3547863, 3870396, 3942070, 4730484, 4837995, 5805594, 5913105, 6450660, 7095726, 7884140, 9675990, 10643589, 11611188, 11826210, 14191452, 14513985, 17739315, 19351980, 21287178, 23652420, 29027970, 31930767, 35478630, 42574356, 53217945, 58055940, 63861534, 70957260, 106435890, 127723068, 159653835, 212871780, 319307670, 638615340]

約数ペア:

[(1, 638615340), (2, 319307670), (3, 212871780), (4, 159653835), (5, 127723068), (6, 106435890), (9, 70957260), (10, 63861534), (11, 58055940), (12, 53217945), (15, 42574356), (18, 35478630), (20, 31930767), (22, 29027970), (27, 23652420), (30, 21287178), (33, 19351980), (36, 17739315), (44, 14513985), (45, 14191452), (54, 11826210), (55, 11611188), (60, 10643589), (66, 9675990), (81, 7884140), (90, 7095726), (99, 6450660), (108, 5913105), (110, 5805594), (132, 4837995), (135, 4730484), (162, 3942070), (165, 3870396), (180, 3547863), (198, 3225330), (220, 2902797), (270, 2365242), (297, 2150220), (324, 1971035), (330, 1935198), (396, 1612665), (405, 1576828), (495, 1290132), (540, 1182621), (594, 1075110), (660, 967599), (810, 788414), (891, 716740), (990, 645066), (1188, 537555), (1485, 430044), (1620, 394207), (1782, 358370), (1980, 322533), (2970, 215022), (3564, 179185), (4455, 143348), (5940, 107511), (8910, 71674), (17820, 35837)]