51616620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:356

約数の個数: 144

約数和(自身を含む): 172972800

約数和(自身を除く): 121356180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 131, 132, 165, 180, 198, 199, 220, 262, 330, 393, 396, 398, 495, 524, 597, 655, 660, 786, 796, 990, 995, 1179, 1194, 1310, 1441, 1572, 1791, 1965, 1980, 1990, 2189, 2358, 2388, 2620, 2882, 2985, 3582, 3930, 3980, 4323, 4378, 4716, 5764, 5895, 5970, 6567, 7164, 7205, 7860, 8646, 8756, 8955, 10945, 11790, 11940, 12969, 13134, 14410, 17292, 17910, 19701, 21615, 21890, 23580, 25938, 26069, 26268, 28820, 32835, 35820, 39402, 43230, 43780, 51876, 52138, 64845, 65670, 78207, 78804, 86460, 98505, 104276, 129690, 130345, 131340, 156414, 197010, 234621, 259380, 260690, 286759, 312828, 391035, 394020, 469242, 521380, 573518, 782070, 860277, 938484, 1147036, 1173105, 1433795, 1564140, 1720554, 2346210, 2580831, 2867590, 3441108, 4301385, 4692420, 5161662, 5735180, 8602770, 10323324, 12904155, 17205540, 25808310, 51616620]

約数ペア:

[(1, 51616620), (2, 25808310), (3, 17205540), (4, 12904155), (5, 10323324), (6, 8602770), (9, 5735180), (10, 5161662), (11, 4692420), (12, 4301385), (15, 3441108), (18, 2867590), (20, 2580831), (22, 2346210), (30, 1720554), (33, 1564140), (36, 1433795), (44, 1173105), (45, 1147036), (55, 938484), (60, 860277), (66, 782070), (90, 573518), (99, 521380), (110, 469242), (131, 394020), (132, 391035), (165, 312828), (180, 286759), (198, 260690), (199, 259380), (220, 234621), (262, 197010), (330, 156414), (393, 131340), (396, 130345), (398, 129690), (495, 104276), (524, 98505), (597, 86460), (655, 78804), (660, 78207), (786, 65670), (796, 64845), (990, 52138), (995, 51876), (1179, 43780), (1194, 43230), (1310, 39402), (1441, 35820), (1572, 32835), (1791, 28820), (1965, 26268), (1980, 26069), (1990, 25938), (2189, 23580), (2358, 21890), (2388, 21615), (2620, 19701), (2882, 17910), (2985, 17292), (3582, 14410), (3930, 13134), (3980, 12969), (4323, 11940), (4378, 11790), (4716, 10945), (5764, 8955), (5895, 8756), (5970, 8646), (6567, 7860), (7164, 7205)]